1 . ________（expose） to the English broadcast can do a lot of good to your English study. （所给词的适当形式填空）

2 . ________(defeat) is often a temporary condition. Giving up is what makes it permanent. （所给词的适当形式填空）

3 . Tim is having trouble ______ (balance) his project and schoolwork. (所给词的适当形式填空)

4 . He spent much of his life _____________ (explore) the wildness. (所给词的适当形式填空）

5 . --Can you think of another good idea?
--This is the best approach to ________(finish) the work ahead of time. （所给单词适当形式填空）

6 . The key to ________ (keep) the peace is regular and honest communication. (所给词的适当形式填空)

7 . ________ is what we have expected. (Tom, come) （用所给单词适当形式填空）

8 . Adam forgot ______ (make) an appointment with me yesterday. I waited him the whole afternoon. (所给词的适当形式填空）

9 . —Could you be here a bit earlier next time? I can't stand _________(keep) waiting. （用所给单词适当形式填空）
—Sorry, Lucy. I was caught in heavy traffic.

10 . Do you advocate __________(ban) cars in the city centre?（所给词的适当形式填空）