It sounds like something is wrong with the car’s engine.________，we’d better take it to the garage immediately. (2011·江苏，33)
| A．Otherwise | B．If not |
| C．But for that | D．If so |
You'll regret ______ those words. You may hurt her feelings.
| A．say | B．to say | C．having said | D．to have said |
Though he failed, he tried _______ it again and again.
| A．to do | B．doing | C．do | D．done. |
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 |