1 . Bob wants to buy that kind of ball pen because he has been told it ________(write) smoothly. (用所给词的适当形式填空)

2 . His admission that he ______(blame) kept the others from being punished. (所给词的适当形式填空)

3 . The advantages are plain ________(see),so you don’t need to hesitate. (所给词的适当形式填空)

4 . The museum contains thousands of contemporary and modern artworks, which is worth _____(visit). (所给词的适当形式填空)

5 . To be honest, he is too stubborn ________(persuade) to go with us. (所给词的适当形式填空)

6 . He bought a pair of trousers last week, but the trousers ________ (wear) out by now. (所给词的适当形式填空)

7 . I’m afraid that you are ________ (blame) for the accident. (所给词的适当形式填空)

8 . I have several questions________(discuss) with you. （所给词的适当形式填空）

9 . If a thing is worthy of____________ (do), it is worth____________ (do) well. (所给词的适当形式填空)

10 . We have four reading passages____________ (complete) in the coming holiday. (所给词的适当形式填空)