As a graducate in computer science, he ___ to work out the problem.
#89044
A
wouldn't have failed
B
can't have failed
C
mustn’t have failed
D
might not have failed
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They demanded that the books________ to the school library at once.
#86780
A
return
B
should return
C
be returned
D
would be returned
------ Who is that man over there? _______ it be our teacher?------ No, it _______ not be our teacher. It _______ be Mr. Zhang.
#88214
A
can ; can; must
B
must; must; can
C
can; must; must
D
can; must; can
— What great trouble I have solving this problem now！ —_____ my advice, you ________less trouble.
#90238
A
If you had taken, would have had
B
If you took, would have
C
If you had taken, would have
D
If you take, will have
— Turn off the TV, Jack. ____ your homework now?— Mum, just ten more minutes, please.
#90090
A
Should you be doing
B
Shouldn’t you be doing
C
Couldn’t you be doing
D
Will you be doing
Last night the order came that all those infected with the deadly disease ________.
#87974
A
was separated
B
should separate
C
be separated
D
were separated