单选题 Do you think it necessary ______ an English diary every day?

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单选题 It is much easier to make a plan than ______ it out.

单选题 Online distance learning is an instructional system which connects learners with educational resources. Students work on their own at home, at work, or at school and communicate with faculty and other students by means of e-mail, electronic meetings, videoconferencing, chat rooms, instant messaging and other forms of computer-based communication. There are both advantages and disadvantages to online distance learning. There are many benefits to using online distance learning environments. Online education is available all the time, anywhere and to all people. However, there are weaknesses for some learners. The online learner only has the written text and no other face-to-face hints. This may confuse the learner and cause misunderstanding. While distance learning allows for an openness, it is also difficult because it is done by e-mail messages and writing, and therefore may take more time than face-to-face learning. Sometimes the messages can be overwhelming for many online students. Universities, colleges and schools use online distance learning environments. These are important for students who may be unable to attend classes for various reasons like illnesses or busy everyday schedules. Some learners just want to further their studies at home. They enjoy the convenience of home learning as they take regular programs or enrichment classes. Online courses keep learners very occupied at all hours of the day. There are a great many messages and other online resources to read and respond to. Most learners have regular jobs or attend regular school classes on ground as well. However, the benefits are clear. Online distance learning is becoming very popular. Some online classes have become a profitable business as they replace regular traditional means of learning.

单选题 John Adams who in 1775 recommended George Washington to be commander in chief of the Continental Anny.

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单选题 I found him ______ on the ground.

单选题 When he was there, he ______ go to that coffee shop at the corner after work every day.

单选题 Will it rain tomorrow? I hope ______.

单选题 When my grandfather died, I discovered that he had left me some money in his ______.

单选题 The American couple have ______ a two-year-old child, who lost his parents in an earth-quake.

单选题 I think I have persuaded Jenny to come ______ to our point of view.

单选题 Dr. Smith, together with his wife and two sons, ______ to arrive on the evening flight.

单选题 Robert goes to the gym only two or three times a year. He ______ goes to the gym.

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单选题 Jimmy was five years old and his brother, Billy, was only a baby. One morning his mother waited for an important telephone call for hours, but nobody called. There was no bread in the house and she had to go out to buy some. Jimmy stayed at home to look after the baby. When the mother was out, the telephone rang and Jimmy answered. Mr. Baker: Hello! May I speak to Mrs. White? Jimmy: Sorry, Mother is out. Mr. Baker: Well, when she comes back, say to her, 'Mr. Baker called.' Jimmy: What? Mr. Baker: Mr. Baker. Write it down. B-A-K-E-R. Jimmy: How do you write B? Mr. Baker: How do I write...? Listen, little boy, is there anybody else with you? Any brothers or sisters? Jimmy: Yes, my brother Billy is here. Mr. Baker: Good. I want to talk to him, please. Jimmy: All right. Jimmy took the telephone to the baby's bed and put it beside its head. Not long after that his mother came back. Mother: Did anybody call? Jimmy: Yes, a man called. But he only wanted to talk to Billy.

单选题 ______ too much to do, they have to keep themselves busy all day long.

单选题 Though he had often made his little sister ______, today he was made ______ by his little sister.