A.where you bought the stamps | B.where did you buy the stamps |
C.when you bought the stamps | D.when did you buy the stamps |
A.where | B.how | C.what | D.why |
A.why he loves China | B.how he returned to Canada |
C.what his phone number is | D.where be studied Chinese |
A.when he came back | B.when he will come back | C.when did you go to bed | D.whether he goes to bed late |
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