—Where _____ Mary have put the empty bottles? — She _____ them away. They must be somewhere.
#63263
A
can; can’t have thrown
B
must; needn’t
C
must; must have thrown
D
can; mustn’t have thrown
推荐题目
— Shall I inform him of the change of the schedule right now?— I’m afraid you _____.
#63465
A
will
B
may
C
must
D
can
________ he is a child, ______ he knows much about the computer.
#76970
A
Though…/
B
Although…but
C
Because…so
D
Though…but
--Has Mr. White arrived, Tom?--Yes, sir. _____ he come in to see you right now?
#62360
A
Shall
B
May
C
Can
D
Must
