My sister doesn"t know when she takes her friend"s party.

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My sister doesn"t know             when she takes her friend"s party.            [     ]
A.  how to wear
B.  what to wear
C. why to wear

答案

举一反三

Can you tell me            play chess online?               [     ]
A. what to
B. how to
C. where can

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Mike said he was thinking about _____ the maths problem at that time.[     ]
A. which to do
B. what to do
C. how to do
D. why to do

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Could you show us _____a bike?  [     ]
A. how to mend
B. what to buy
C. where to go

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Can you tell me_____the train was invented?    [     ]
A. which
B. who
C. when

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—Excuse me, do you know ?
—It"s over there in front of the park. [ ]

A. where is the post office
B. where the post office is
C. where the post office was

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