单选题Dear Helen, please (forgive) him (for) his (rudeness), (can you)?

单选题He’s got himself into a dangerous situation ______ he is likely to lose control over the plane. A．where B．which C．while D．why

单选题It"s time that we ______ to take care of our own house.

单选题You can hardly imagine how difficult ______ to find a decent job at a big company. A. is it B. it is C. she is D. is she

单选题George was such a good guy that he was left ______. A. do it B. to finishing the matter C. in charge of the matter D. taking care the matter

单选题Either he escaped, or he was put in prison, in _______ , he was never seen again.

单选题When they had finished playing, the children were made to ______ all the toys that they had taken out.

单选题My room is a mess. It needs ______.

单选题______ at his knowledge, all the students showed their respect to their teacher.A. AmazingB. Being amazingC. AmazedD. Having amazed

单选题Although he knew little about the large amount of work done in the field, he succeeded ______ other more well-informed experimenters failed.

单选题After (driving) twenty miles, he suddenly (realized) that he (has been driving) (in) a wrong direction.

单选题(Prior to) our (conference), the (executive) director had requested that everyone (was) well prepared.A. Prior toB. conferenceC. executiveD. was

单选题Some animals can ______ in the desert on very little water.

单选题People should save money as a __________ against unemployment.

单选题In every cultivated language there are two great classes of words, which make up the whole vocabulary. First, there are those words (56) which we become familiar in daily conversation, which we (57) , that is to say, from the (58) of our own family and from our friends, and (59) we should know and use (60) we could not read or write. They (61) the common things of life with all the people who (62) the language. Such words may be called "popular", since they belong to the people (63) and are not excluded (64) a limited class. On the other hand, our language (65) a large number of words which are comparatively (66) used in ordinary conversation. Their meanings are known to every educated person, but there is little (67) to use them at home or in the marketplace. Our (68) acquaintance (熟悉) with them comes not from our mother's (69) or from the talk of our schoolmates, (70) from books that we read, lectures that we (71) , or the more (72) conversation of highly educated speakers who are discussing some particular (73) in a style properly higher above the habitual (74) of everyday life. Such words are called "learned", and the (75) between them and the "popular" words is of great importance to a right understanding of language study process.

单选题The girl was not happy at the new school because she had ______ friends there.

单选题All the reference books should be made ______ to the teachers and students in our university.

单选题Although it is raining hard, ______.