填空題

The ship’s generator broke down and the pumps（）(不得不用手工操作) instead of mechanically.

答案： had to be operated manually

你可能感興趣的試題

It may be necessary to stop（）(每隔一定時(shí)間) in the learning process and go back to the difficult points in the lessons.

答案： at intervals

There’s a man at the reception desk who seems very angry and I think he means（）(想找麻煩).

答案： to make trouble