1 . While regularly eating out seems _________________ (become) common for many young people in recent years, it is not without a cost. (所给词的适当形式填空)

2 . _________(show) around the Water Cube, we were taken to see the Bird’s Nest.

3 . Some people say more but do less while others do the________(oppose).

4 . When studying in the classroom last night, I always had the feeling that I was ________ (monitor). （所给词的适当形式填空）

5 . The team, ______(attempt) to climb the world’s second tallest mountain twice, finally decided to give up.

6 . All these rules must ________ (observe) by all the students. (所给词的适当形式填空)

7 . The mosquitoes drive me______distraction. (用适当的单词填空)

8 . Researchers from Brigham Young University discovered that fathers are in a unique position _____ (help) their adolescent children learn persistence. （用所给单词适当形式填空）

9 . He was just about to sit down when he felt something______ (move) near his feet．（用单词适当形式填空）

10 . Diets are most effective when __________ (combine) with exercise. （用单词适当形式填空）