You and I could hardly work together, ______?
| A．could you | B．couldn’t I | C．couldn’t we | D．could we |
15． After retiring, he was recommended to ____ gardening as a hobby.
| A．take up | B．take on | C．take off | D．take away |
14． --I tried many times, but I still failed in the experiment.
--Don’t be discouraged． ____ and the problem will be settled．
| A．Making a little effort | B．There being a little effort |
| C．If you make a bit effort | D．A bit more effort |
13． --Hi, Lydia． Are you going to the concert on Friday?
- -I’d like to. But there are so many problems ____.
| A．remaining to be settled | B．remained settling |
| C．remaining to settle | D．remained to be settled |
12． So little ____ about science that the lecture was ____ my understanding.
| A．I know; over | B．knew I; beyond |
| C．did I know; beyond | D．did I know; over |
11． Information has been put forward ____ more measures will be taken to solve the economic problems.
| A．while | B．when | C．as | D．That |