Ⅰ.单句填空
1.The purpose of the passage is to inform us of the reason for protecting the heritage.
2．Don't offer comments (comment) if you cannot understand the real meaning.
3．He understood that it was the fault of his skin color that accounted for their rejection (reject)．
4．Nowadays, cycling, along with jogging and swimming, is_regarded (regard) as one of the best allround forms of exercise.
5．In order to avoid being_caught (catch) by the coming policemen, the thief quickly jumped out of the window.
6．We don't allow smoking (smoke) in the room.
7．I'll need to_know (know) your decision by next week.
8．As a result of the serious flood, twothirds of the buildings in the area need to_be_painted/painting (paint).
9．She remembered seeing (see) him play football an hour ago.
10．She refused to_have (have) lunch with her friend，saying that she wasn't feeling well.
