Our English teacher suggested we ________ English as much as possible in class.
#87550
A
must speak
B
may speak
C
spoke
D
should speak
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More and more people have come to realize that if we had taken effective measures much earlier, the air quality ______ so seriously now.
#86958
A
is not polluted
B
would not be polluted
C
had not been polluted
D
would not have been polluted
I have some difficulty in finding his house. I wish I_____his address.
#90235
A
remember
B
remembered
C
had remembered
D
would remember
The man in prison insisted that he _______ nothing wrong and _______ set free.
#88178
A
should do, should be
B
had done, should be
C
had done, had been
D
should do, had been
(2012·全国卷Ⅰ)I ________ use a clock to wake me up because at six o'clock each morning the train comes by my house.
#86531
A
couldn't
B
mustn't
C
shouldn't
D
needn't