If you _____ him tomorrow, please ask him if he _____ to work with us.
| A．see, goes | B．will see, goes |
| C．will see, will go | D．see, will go |
Ifthereis______pollution,theairinourcitywillbe ________dirtier.
| A．less;more | B．more;much |
| C．less;less | D．more;more |
BythetimeIlockedthedoor,IrealizedI________mykeysathome.
| A．hadrepaired | B．hadchanged |
| C．hadforgotten | D．hadleft |
—________ English movies is helpful to learn English.
—But I find _______ hard to understand when the people speak fast.
| A．Watching, that | B．Watch, it’s |
| C．Watching, it | D．Watching, its |
—_____Ifinishmyhomeworknow?
—No,you_____.Yourworkisovertoday.
| A．Can't;must | B．Must;don'thaveto |
| C．May;couldn't | D．Couldn't;could |
Peterlikespopmusic,but______hisfather______hismotherlikesit.
| A．both;and | B．notonly;butalso |
| C．neither;nor | D．either;or |