-Mom,shall we have supper now?-Oh,we won't have supper ________your dad comes back.
A. until
B. since
C. while
D. after
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I can't understand ________Apple's iPad 2.
A. why are they so mad about
B. why they are so mad about
C. how are they so mad about
D. how they are so mad about
Don't wait for people to be friendly,show them ________a friendly person you are.
A. what
B. How
C. when
D. where
Jenny is on holiday now.I wonder ________.
A. when she will come back
B. when she came back
C. when will she come back
D. when did she come back
We don't like people ________talk too much but never do anything.
A. whose
B. who
C. when
D. which
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