“Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it _______ be a fox.”
#89541
A
must; could
B
may; might
C
need; must
D
could; need
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- - How dangerous it was!- - Yes, but for the passer - by' s quick action, the girl _____
#86805
A
was drowned
B
could have been drowned
C
had drowned
D
should be drowned
But for their common interests, they_____ cooperated so smoothly in the investigation of the case.
#86893
A
could have
B
will not have
C
could not have
D
have not
It is demanded that the plan _____ out as soon as possible.
#87223
A
must be carried
B
is to carry out
C
carried
D
be carried
John ___ such a thing about you. He never speaks ill of you behind your back.
#87863
A
can’t have said
B
might not have said
C
couldn’t say
D
mustn’t have said
Without your timely help, we ________ in big trouble that day.
#87130
A
would have been
B
would be
C
had been
D
were