1 . The headmaster came into the lab, _______ (follow) by some foreign guests. (所给词的适当形式填空)

2 . The battery is running out. You’d better have it ________ ( charge ). （所给词的适当形式填空）

3 . Busily ________ (employ) in cleaning his shoes, he didn't notice my coming.

4 .
1. In addition, sometimes I am very clumsy and drop things or bump into furnitures.
2. Pudong Development Zone is no longer that it used to be.
3. The capital of Peru is Lima, that is in the north on the coast.
4. But monitoring carefully, the snakes proved to be no trouble and all went according to plan.
5. Would you like to introduce your new published book to us?
6. They urged that the gym was kept open during the work time.
7. I came up this book in an old bookstore several days ago.
8. Mum can’t have Peter stay up all night long.
9. Just accept them for who they are, and give them encouragement to live as rich and full life as you do.
10. Every time when I returned after an absence, I felt stupid because I was behind the others.