1 . When it comes ________ in-person humor, effort counts a lot. (用适当的词填空)

2 . Little is known of the youngest son; it __________(presume) that he died young. (所给词的适当形式填空)

3 . I would appreciate ________ if you could let me know in advance whether or not you will come. (用适当的词填空)

4 . There is no denying ________ students should learn something about how computers work. （用适当的词填空）

5 . On our way to the house, it was raining ______ hard that we couldn’t help wondering how long it would take to get there. It was in the middle of Pearl City. (用适当的词填空)

6 . They are busy _____ (work) on this motorway, finding people for speeding. (所给词的适当形式填空)

7 . It’s rude _________ you to talk with your mother in that way. (用适当的词填空)

8 . China was the third nation ________(send) a man into space. （所给词的适当形式填空）

9 . I was about to answer the phone ________ I heard a knock on the door. (用适当的词填空)

10 . It takes me a long time ________(finish) to project so that I feel too tired to walk any further. （所给词的适当形式填空）