——Tom is never late for work. Why is he absent today?—— Something _____to him.
#87520
A
must have happened
B
can have happened
C
must happen
D
can happen
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Mother insisted that the child's hands ______ before dinner.
#89461
A
should wash
B
be washed
C
had been washed
D
would be washed
—Where ____ Margaret have put the empty bottles?—She ______ them away. They must be somewhere.
#89520
A
can; can’t have thrown
B
must; needn’t
C
must; must have thrown
D
can; must throw
—Happy birthday, Mary!—Thank you! It’s the best present I for．
#86454
A
should have wished
B
may have wished
C
must have wished
D
could have wished
I wish I_________ longer this morning, but I had to get up and come to class.
#86644
A
slept
B
had slept
C
might have slept
D
have slept
-–She looks very happy. She ________have passed the exam. --I guess so. It’s not difficult after all.
#87944
A
should
B
must
C
could
D
might