--- Mum, _______ is my friend, Eric.
--- Nice to meet you.
| A．his | B．it | C．she | D．this |
—Doyouknow________thisafternoon?
—I'mnotsure,butI'lltellyouassoonasshe________.
| A．howwillBettyarrive;starts |
| B．howBettywillarrive;willstart |
| C．whattimewillBettyarrive;willstart |
| D．whattimeBettywillarrive;starts |
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 |