1 . ________ (commit) to scientific research, the scientist remained single all his life. (所给词的适当形式填空)

2 . The research,         by Tsinghua University, shows that different parents have different approaches to these problems.

A．conducted

B．to conduct

C．conducting

D．to be conducted

3 . Ordinary soap, ____________ (use) correctly, can deal with bacteria effectively. (所给词的适当形式填空)

4 . Jim has retired, but he still remembers the happy time ____________ (spend) with his students. (所给词的适当形式填空)

5 . Children, when a_____(陪伴) by their parents, are allowed to enter the stadium. (根据中英文提示单词拼写)

6 . I saw her sitting at a window table, __________(bathe) in sunlight. (所给词的适当形式填空)

7 . A rescue worker risked his life saving two tourists _________(trap) in the mountains for two days. (所给词的适当形式填空)

8 . Although _______ (strike) by the snowballs in the face, I felt extremely excited in the snowball playing. (所给词的适当形式填空)

9 . Everything ___ into consideration, they believed themselves more and returned to their positions.

A．to take

B．taken

C．to be taken

D．taking

10 . The   boss   asked   his   secretary   to   keep him well ________ (inform) of the programme’s progress. （所给词的适当形式填空）