This printer is of good quality. If it _______ break down within the first year, we would repair it at our expense.
#90493
A
would
B
should
C
could
D
might
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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
I suggested that he  _____ the manager before he decided.
#87334
A
telephoned
B
would telephone
C
telephone
D
had to telephone
 There was plenty of times. She _____.
#90219
A
mustn’t have hurried
B
couldn’t have hurried
C
must not hurry
D
needn’t have hurried