He knows it is high time that he ________ at once.
#87730
A
quits smoking
B
quitted smoking
C
should quit to smoke
D
quitted to smoke
推荐题目
I__________ you somewhere before, but your name has escaped me_________.
#90025
A
must see;for a moment
B
must have seen; for a moment
C
must see;for the moment
D
must have seen; for the moment
What a pity! Considering his ability and experience, he ______ better.
#87050
A
need have done
B
must have done
C
can have done
D
might have done
— It’s the office! So you ______ know eating is not allowed here.— Oh, sorry.
#90426
A
must
B
will
C
may
D
need
If you ______ firm action to deal with it at once, you wouldn’t suffer heavy losses tomorrow.
#86970
A
take
B
took
C
has taken
D
had taken