Some aspects(方面) of a teacher’s job ______ be tiring, and teachers often ______ work at inconvenient hours.
#87172
A
can; must
B
may; can
C
can; have to
D
have to; must
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I insisted that the boy his hands before having supper.
#87914
A
washes
B
washed
C
had washed
D
(should) wash
Keep up good state of mind even if you___________ fail plenty of times.
#89326
A
must
B
will
C
can
D
should
Without electricity human life __________ quite different today.
#87677
A
is
B
will be
C
would have been
D
would be
—Tom, your foreign teacher speaks Chinese fluently!—Oh, she has lived in China for six years, otherwise she _______ such good Chinese.
#86413
A
didn’t speak
B
would not have spoken
C
would not speak
D
hadn’t spoken
——My cat’s really fat. ——You____________have given her so much food.
#90458
A
wouldn’t
B
couldn’t
C
shouldn’t
D
mustn’t