A foreign language like English is difficult to learn, so you ____________ work too hard.
#88307
A
can’t
B
must
C
shouldn’t
D
ought to
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___ , we would have taken raincoats with us.
#89062
A
Had we known
B
We had known it
C
If we were known
D
If we know
— ______ you finish your essay in time?— I am afraid ______.
#88134
A
Can; can’t
B
May; not
C
Must; needn’t
D
Can; not
 Their answers are exactly the same — one of them ______ from the other.
#88171
A
must copy
B
must have copied
C
should copy
D
should have copied