The factory ______ its waste into the river, but now it deals with the waste in a new way.
#77406
A
used to dump
B
is used to dump
C
used to dumping
D
is used to dumping
推荐题目
---Must I go to medical school and be doctor like you，Dad？--- No, you __________, son. You’re free to make your own decision.
#74745
A
can’t
B
mustn’t
C
shouldn’t
D
don’t have to
Just imagine performing such an opera as Turandot in the Forbidden City---there _____ be a better setting!
#62610
A
mustn’t
B
shouldn’t
C
couldn’t
D
needn’t
－Why are you looking so worried? Is there anything I can do for you?－The computer break down when I nearly finished my composition.
#62970
A
can
B
should
C
must
D
dare
—Look at the picture on the wall. It ________be David’s.—Yes, his name is on the first page.
#76503
A
can
B
can’t
C
must
D
mustn’t