Jenny works hard as usual and it has___．She got the first in the final exam again．
| A．showed off | B．paid off | C．paid back | D．turned up |
Thomas _____ in inventing many electrical machines
| A．was successful | B．succeed | C．was success | D．successes |
The Changjiang River has been polluted badly and is not good _______．
| A．to swim it | B．to be swum in |
| C．to swim in it | D．to swim in |
I think he must have seen me at the meeting last night, ______?
| A．didn’t he | B．don’t I |
| C．do I | D．mustn’t he |
The ______ look on his face suggested that he ______ that he would fail in the Maths test．
| A．surprising; wouldn’t expect | B．surprising; hadn’t expected |
| C．surprised; hadn’t expected | D．surprised; shouldn’t expect |
______ good, this kind of fruit sells very well in our city．
| A．Taste | B．Being tasted |
| C．Tasting | D．Having been tasted |