In the countryside, ____car is not yet ____popular means for transportation．
| A．/; a | B．a; the | C．the; / | D．the; a |
You didn't hear us come back last night. That's good. We tried ______ noisy.
| A．to not be | B．not to be | C．being not | D．not being |
Remember ______ the book, when you have finished it.
| A．putting back | B．having put back | C．to put back | D．will put back |
Some people's greatest pleasure is ______ .
| A．fishing | B．to fish | C．to be fish | D．being fishing |
. It's very kind ______ you ______ say so.
| A．of, to | B．for, to | C．to, to | D．of, / |
The old man's ______ pity on the snake led to his own death.
| A．take | B．taking | C．being taken | D．have |