1、—You were out when I dropped in at your house
A.was waiting
B.had waited
C.am waiting
D.has waited
2、________ of danger in the street at night, she had to go home, with a friend ________ her
A.Warning, following
B.Having warned, following
C.Having been warned, following
D.Warned, followed
3、You ________ buy a gift, but you can if you want to
A.must
B.mustn’t
C.have to
D.don’t have to
4、He has made ________ progress this term than before
A.little
B.less
C.fewer
D.much
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