题目内容
4. The USA is in the central part of North (美洲) .
4. America
4. 再往前走，你就能看到闻名于世的贸易中心。
5. 看巨大的玻璃球在黑暗中落下，真是太让人兴奋了。
7. 会议到此结束！辛苦工作一天后让我们好好放松一下自己吧！
() 21. (2013 青岛) The astronaut (宇航员) is so tired that he for eleven hours.
A. has been asleep B. has fallen asleep
C. has gone to bed D. has gone to sleep
4. Robin came to work in our factory (几个) months ago.
5. It took the three brave men three days (sail) across the sea.
9. My son was playing on the (草坪) in front of my house the whole morning.
() 3. - Where is Simon now?
-Oh,he is on the playground. I saw him basketball just now.
A. playing B. played C. to play D. plays
() 3. —Have they watered the flowers ?
一Yes,they have done it .
A. ever;already B. already;yet C. yet;already D. yet;yet
