()theindustryinthisareadevelopingsorapidly,airpollutionbecameaseriousproblem.
查看答案
Theworkerscannothelpbut()theregulationsofthecompanyastheyneedmoney.
A. toobey
B. obey
C. obeying
Itisreportedthatanotherundergroundrailway()thepublicinthreemonths’time.
A. isopento
B. isopenedto
C. willbeopenedto
The()ofanadjectiveistodescribeoraddtothemeaningofanoun.
A. lable
B. function
C. substance
Becauseofthewar,thebirthratewas()lowthatdecade.
A. properly
B. extremely
C. quickly