根据句意用恰当的短语完成句子
1. If you want to catch that train we'd better____ for the station at once.
2. Be careful not____ the ladder.
3. I can't promise, but I____.
4. Mr. Smith needs more exercises____.
5. Mike has only driven to the pub his new car-he usually walks !
6. He_______ what he had done.
7. She's a bravely player; she never _______,
8. He_______ his success more_______ luck than to ability.
9. My friend has gone to another city, but we usually ________.
10. I_______ catch the early train, but I didn't get up in
