Ⅰ.用所给词的适当形式填空
1．He didn’t want ________ (share) things with his friends.
2．You must pay attention to ________ (listen) to your teacher in class.
3．I have failed ________ (pass) the exam.
4．I had intended ________ (help) you but I was busy then.
5．Let’s put off ________ (hold) the meeting till next Sunday.
6．He always avoids ________ (make) mistakes in learning English.
7．He didn’t mind ________ (work) over time.
8．He’ll never forget ________ (visit) London for the first time.
9．If ________ (give) much more time，I would have done it much better.
10．I think ________ (learn) to paint well takes a long time.
