1 . Give Messi a call for he needs ______ (cheer) up. (所给词的适当形式填空)

2 . This kind of cartoon________well in the bookstore. (sell)（所给词的适当形式填空）

3 . This book _______ (read) more easily than the others, so it _______ (sell)well. (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 have several questions________(discuss) with you. （所给词的适当形式填空）

8 . The difference in thickness and weight from the earlier version makes the iPad more comfortable____________(hold). (所给词的适当形式填空)

9 . This article is well worth _________ (read), but it is not worthy of _________(translate). (所给词的适当形式填空)

10 . Although the huge engine, as tall as 25 meters, is heavy ________(carry), it is powerful and works well.