–How many students are there in the classroom? --__________. They are all in the lab.
Therewillbeastampshowinthemuseum______wevisitedlastweek.
—Asamemberofbusdrivers,IamproudofWuBin. —___________.Heisaheroinmyheart.
—Doyoubelievethatpaperismade_______wood? —Yes,Ido.Andyoucanseethatbooksaremade________paper.
—Doyouknow________thisafternoon? —I'mnotsure,butI'lltellyouassoonasshe________.
Ifthereis______pollution,theairinourcitywillbe ________dirtier.