—Look,your father is playing the piano over there.—He________ be my father. He has gone to Beijing.
#76700
A
mustn’t
B
can’t
C
shouldn’t
D
may not
推荐题目
________ you row a boat at the age of 10?  No, but now I ________.
#75228
A
Can;can
B
Can;could
C
Could ;can
D
Could;could
—Guess what?I came first in that contest.—Great!You ________ a lot during the past two weeks.
#62488
A
must practise
B
should practise
C
should have practised
D
must have practised
—Jenny,how did your math exam go?—I thought I ________,but in fact I came in the top 10% in the class.
#63590
A
might have failed
B
couldn’t have failed
C
should have failed
D
mustn’t have failed