Only when you can find peace in your heart good relationship with others.
| A．will you keep | B．you will keep |
| C．you kept | D．did you keep |
A brilliant idea occurred to him, ______ to his research in the lab．
| A．while devoting | B．while devoting himself |
| C．while he was devoted | D．while devoted |
_____ 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 |