She always allows the children to voice their opinions_________sometimes their opinions are not sound.
| A．when | B．as | C．though | D．after |
______ it would be silly to argue any longer ．
| A．Was that true | B．If that was true |
| C．Should that be true | D．Could that be true |
Did ______ on time make the teacher angry ?
| A．she not come | B．she not to come |
| C．not her coming | D．her not coming |
You can hardly imagine the difficulty the woman had ______ her children．
| A．brought up | B．to bring up |
| C．bringing up | D．to have brought up |
Only one of the places is ________
| A．worth to visit | B．worth visiting |
| C．worth of visiting | D．worth being visited |
--- Thank goodness, you are here ! What ____ you ?
---- Traffic jam．
| A．keeps | B．is keeping | C．had kept | D．kept |