It was very difficult to rescue the drowning boy in the sea. One moment the rescue workers _______him but the next moment they _____.
| A．caught sight of; lost | B．caught the sight of; lost his sight |
| C．caught sight of; lost sight of him | D．caught the sight of; lost their sight of him |
. It will cost a lot of time. ____ , I think we shall need it and it will certainly be useful.
A. What’s more . As a result C. At the same time D. After all
. . The performance ______ nearly three hours, but few people left the theatre early.
| A．covered | B．reached | C．played | D．Lasted |
. — I didn’t do well in the last English contest. How about you?
— ____.
| A．I’ll do better next time | B．I like English, though |
| C．A lot better | D．Even worse |
. — I’m afraid the book I have lent you won’t be interesting enough.
—___
| A．Not at all. | B．You’re welcome. | C．Never mind. | D．Why didn’t you tell me earlier? |
. — Do you think there is anything ____ interest in the exhibition?
— Yes, I think some of the pictures are ____.
| A．for; of help | B．of; of great help | C．in; of helpful | D．at; helpful |