—Can I pay the bill by check?
—Sorry, sir．But it is the management rules of our hotel that payment ____ be made in cash．
| A．shall | B．need | C．will | D．can |
A much better way must be found to achieve an equal________of the resources.
| A．distribution | B．contribution |
| C．catalogue | D．separation |
—On the contrary, I think it is the mother, rather than her children, _________to blame.
—I agree with you.
| A．what is | B．that is | C．who are | D．that are |
.________that we should look after the three dogs three times, my mother left home.
| A．Mentioning | B．Having been mentioned |
| C．Having mentioned | D．Mentioned |
He was so deep in thought, thinking of the problem ________he knocked into the tree without noticing it.
| A．when | B．while | C．because | D．that |
He didn’t put the things ________they belonged, for_______he got his punishment.
| A．which; that | B．what; this |
| C．that; whose | D．where; which |