It's the first time that he has been to Australia，________？
| A．isn't he | B．hasn't he | C．isn't it | D．hasn't it |
Without facts, we can't form a worthwhile opinion, for we need to have factual knowledge ______ our thinking.
| A．which to be based on | B．upon which to base |
| C．which to base upon | D．to which to be based |
With the government's aid, those ______ by the earth-quake have moved to the new settlement.
| A．affect | B．affecting |
| C．affected | D．to be affected |
Mrs White showed her students some old maps ______ from the library.
| A．to borrow | B．to be borrowed |
| C．borrowed | D．borrowing |
We have lost two of our best players, but we're :__________ winning.
| A．struggled for | B．struggling for |
| C．struggling on | D．struggling with |
On AIDS Day, the minister of Health Department demanded that the problems __________ paid special attention to.
| A．referred to being | B．referred to be |
| C．refer to being | D．refer to be |