英语单项选择
1.You___rightthistime.
A.maybe
B.maybe
C.probably
D.perhaps
2.Theydon'tknowwhat___yesterday.
A.didhehappen
B.hehappened
C.happenedtohim
D.washappenedtohim
3.You___mewaitingfortwohours.I___foryousinefive.
A.kept...waited
B.havekept...waited
C.kept...havewaited
D.havekept...havewaited
4.Theyhavetostudyalot,___?
A.don'tthey
B.haven'tthey
C.didthey
D.hadn'tthey
5.Hewasunhappy,___?
A.washe
B.wasn'the
C.doeshe
D.didhe
6.Tellmehowtooperatetheelectroniccomputer,___?
A.willyou
B.shan'tyou
C.doyou
D.don'tyou