1 . He let me repeat his instruction _________ (make) sure that I understood what was _________ (do) after he went away. (所给词的适当形式填空)

2 . This company was the first _________ (produce) portable radios as well as cassette tape recorders in the world. (所给词的适当形式填空)

3 . _________ (improve) the employees’ working efficiency, the supervisor will allow them to have a coffee break. (所给词的适当形式填空)

4 . _______________ (唯一方法) to the village is by boat. (根据汉语提示完成句子)

5 . We _________ (complete) the task by the time you arrive at the airport tomorrow.   (所给词的适当形式填空)

6 . She said that she _________ (fly) to London, so I just had a few words with her. (所给词的适当形式填空)

7 . —Could you tell what the future _________ (have) in store for us?
—Of course not, sir. No one knows for sure what _________ (happen) in the future. (所给词的适当形式填空)

8 . —What’s the matter, Lao Li?
—I forgot to lock the office door, I _________ (go) and get it locked. (所给词的适当形式填空)

9 . We were discussing plans in the conference room when Tom called to say that he _________ (be) late. (所给词的适当形式填空)

10 . —I will come to attend your lecture at 10:00 tomorrow.
—I’m sorry, by then my lecture _________ (come) to an end and I _________ (meet) my guest in my office. (所给词的适当形式填空)