With more forests being destroyed, huge quantities of good earth ____ each year.
| A．is washing away | B．is being washed away |
| C．are washing away | D．are being washed away |
Although the old lady has a daughter and two sons ,______ live with her．
| A．none of whom | B．neither of them |
| C．all of whom | D．none of them |
---- How long do you suppose it is ________he arrived here ?
-----No more than half a week ．
| A．since | B．before | C．after | D．when |
______ 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 |