The environment will be further polluted unless some measures _____.
#100612
A
are taken
B
will be taken
C
are being taken
D
should be taken
推荐题目
 David has got everything ready, _________ it well.
#103138
A
determined to do
B
to be determined to doing
C
determining doing
D
to determine to do
Hardly had I ______when the play began.
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A
seated
B
been sat
C
sited
D
been seated
According to a report, cigarette smoking____ in all indoor public places in China already.
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A
will ban
B
has banned
C
will be banned
D
has been banned
A lot of people often forget that oral exams ________ to test our communicative ability.
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A
design
B
are designed
C
are designing
D
are being designed