____ you be interested, I’ll tell you the whole story.
| A．Would | B．Might | C．Should | D．Could |
—I guess it must be pretty hot in Hong Kong in summer, isn’t it?
—Yes. That’s why weto Beijing. But we didn’t know itso cold here in winter.
| A．are moving; was | B．moved; would be |
| C．have moved; is | D．were moving; has been |
I’m not sure whether I’ll succeed in persuading her., I will try all possible means to make it.
| A．Even though | B．If so | C．Anyhow | D．Instead |
Many scientists believe that global warming , if , will cause extreme climate changes this century .
| A．not stopping | B．no stop | C．not stopped | D．without stop ycy |
John did quite well in his exams ,how little he studied .
| A．consider | B．considering | C．considered | D．to consider |
Although there is no life on Mars now , some scientists think that there some form of life a long time ago .
| A．must be | B．may have been | C．can have been | D．could be |