单选题There are big trees on ______ side of the quiet street.
单选题I am busy ______ my homework these days after three day's away.
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单选题I saw the thief ______ into the house. A. to go B. went C. go
单选题Father wanted to tell his son______.
单选题—There isn't ______ water here. Could you get ______ for me? —All right.
单选题______ people knew what to do with tea at that time.
单选题Having decided to buy a car, he started to ______ his money.
单选题Something is wrong with my bike. I must have it ______ this afternoon.
单选题It was ______ that saved the man's life 20 years later.
单选题--Where is Li Ping? --She ______ Beijing.
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单选题They don't know if it ______tomorrow. If it______, they will not go to the park.
单选题I've already ______ for the dinner. Shall we go now?
单选题A hundred (41) years ago there were a lot of dinosaurs (恐龙) in the world. Some lived on land. Some lived in the sea. Some (42) fly. A lot of them (43) very large and some had horns (角) or long teeth (44) the monsters (怪物) in films. Most of the dinosaurs were plant-eaters, but some of them could kill (45) eat very big animals. The world was full of dinosaurs for 135 million (百万，百万个) years. 60 million years ago, however (然而，不管怎样), they were (46) dead. (47) happened to them? Some scientists say that about 65 million years ago the world's climate (气候) (48) cold (寒冷的，伤风) and this cold climate killed the dinosaurs. Now we eau only see dinosaur bones (骨骼) in (49) , but we can not see a (50) dinosaur any more.
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单选题Whatdoweknowfromthetalk?A.Mr.Greenisstilllivinginthevillage.B.Mr.Greenhasmovedtoabigcity.C.Mr.Greennolongerlivesinthisworld.