Itwasfiveyearsago()sheresignedfromthecompany,andwehaveneverseenhersincethen.
A. where
B. that
C. before
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()theindustryinthisareadevelopingsorapidly,airpollutionbecameaseriousproblem.
A. With
B. For
C. Since
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