–Where is your father, Ted?
-He _______ Shanghai on business. He ________there many times.
A.has gone to, has gone to
B. has gone to, has been to
C. has been to, has been to
--Listen! Is Tom singing in the room?
-- No, it ______ be Tom. He has gone to Paris.
A. mustn’t B. needn’t C. can’t
_______terrible weather we have these days!
A. What B. What a C. How
I don’t know if she ______.If she ______, please let me know.
A comes, comes B will come, will come C will come ,comes
-- _______ will you repair the bike, Uncle Wang? -- In half an hour.
A. How long B. How often C. How soon
The doctor did what he could _______ the poor boy.
A. save B. saving C. to save