---Mr. Smith must know a lot about Chinese history.   ---________. He has studied it for years.
#82535
A
So he does
B
So does he
C
So he must
D
Yes, he must
推荐题目
Little Tom is an orphan._____,he has to make a living by himself. 
#83925
A
A child as he is
B
Child as he is
C
Child as is he
D
A child though he is
----- What made you so upset? -----_____ my house _____ saying goodbye.
#83986
A
Jim left; without  
B
Jim’s leaving; instead of
C
That Jim left; without
D
Jim leaving; instead of
Only when he returned ________ that the war had ended and the army had come back.
#79718
A
we tell
B
we told
C
did we tell
D
were we told
He broke his legs while _____. 
#84532
A
riding
B
ride
C
was riding
D
rode