Aunt Mary is crazy about shopping. She must be snapping up the bargains in the department store during such a sale, ______?
#87778
A
mustn’t she?
B
isn’t she
C
needn’t she
D
doesn’t she
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He ___ be in the garden.He must be in the room.‘
#89023
A
can't
B
mustn’t
C
will not
D
may not
——You didn’t invite Mary to the ball? ——____ her, too?
#89330
A
Must I invite
B
Should I have invited
C
Must I have invited
D
Should I invite
The poor boy _____ the test again; in that case, his mother will be very disappointed.
#90149
A
must have failed
B
might fail
C
could have failed
D
should fail