Mr. Zhang enjoys ___________ the piano, and he practises ________ it every day.
| A．playing; to play | B．to play; to play |
| C．to play; playing | D．playing; playing |
—Doyoubelievethatpaperismade_______wood?
—Yes,Ido.Andyoucanseethatbooksaremade________paper.
| A．from;from | B．from;of |
| C．of;from | D．of;of |
—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 |