填空题
needn’t have borrowed it from the bank.
The ship’s generator broke down and the pumps（）(不得不用手工操...
填空题The ship’s generator broke down and the pumps（）(不得不用手工操作) instead of mechanically.
It may be necessary to stop（）(每隔一定时间) in the learning p...
填空题It may be necessary to stop（）(每隔一定时间) in the learning process and go back to the difficult points in the lessons.
There’s a man at the reception desk who seems very angr...
填空题There’s a man at the reception desk who seems very angry and I think he means（）(想找麻烦).
