One of the consequences of our planet's being warming up is a（n）_______ in the number of natural disasters.
| A．result | B．account | C．reason | D．increase |
______, but he insisted that he _____ to school ．
| A．Though he was ill , went | B．He was ill, go |
| C．Having been ill, should go | D．Having been ill , went |
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 |