1 . We can still make _________, but we won’t get there till three. (用适当的词填空)

2 . ________ is believed that education is the most important issue facing the government. (用适当的词填空)

3 . It ________ (prove) that eating vegetables in childhood helps protect you against serious illness in later life. (所给词的适当形式填空)

4 . __________is not unusual to see American university students drive to school every day. (用适当的词填空)

5 . ________ is not surprising that he decided to stay for another year in the village school. (用适当的词填空)

6 . We all find_____________ beneficial to take part in outdoor activities. (用适当的词填空)

7 . The girl can only count on________ that her father will come to her rescue. (用适当的词填空)

8 . Is________ necessary for us to take notes during class? (用适当的词填空)

9 . _________is said that there are millions of children working on chocolate farms in Africa alone. (用适当的词填空)

10 . It takes him one hour _______ (play) sports every day. (所给词的适当形式填空)