1 . The long speech really made the girl feel ________(puzzle). (所给词的适当形式填空)

2 . However materially rich, they never seem to have a sense of __________ (satisfy).(所给词的适当形式填空)

3 . The days are __________ (go) forever when John was shy and didn’t know how to get along with others. (所给词的适当形式填空)

4 . China is the first developing country __________ (send) the man-made spaceship into the space. (所给词的适当形式填空)

5 . There is no doubt that we should deal with a problem __________ (flexible). (所给词的适当形式填空)

6 . John always think of others instead of himself. It is _________ (type) of him to offer help to others(所给词的适当形式填空)

7 . The researchers from all over the world have been working hard to find a cure ___________ the disease. (用适当的词填空)

8 . Do you remember a certain occasion ________ you were in trouble and at that moment I gave you a hand. (用适当的词填空)

9 . ________ (obvious), proper exercise is quite important if you want to keep fit. (所给词的适当形式填空)

10 . I need to buy new clothes as I don’t have anything ________ (suit) to wear for the party. (所给词的适当形式填空)