-I can't find Mary.Where's she?-Sorry,I don't know ________.
A. where has she been
B. where she has been
C. where has she gone
D. where she has gone
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I was told to meet Mr.Green at the airport.But I don't know________he will arrive.
A. where
B. why
C. how
D. when
One of the most interesting places in Yangzhou ________are often visited by foreigners is the Slender West Lake.
A. what
B. who
C. that
D. /
I can't remember ________I put the book,and I need it for my homework now.
A. where
B. how
C. what
D. why
-Excuse me.Could you tell me________?-It will leave at 4:00 p.m.
A. how will you go to Shanghai
B. how you will go to Shanghai
C. when will the bus leave for Shanghai
D. when the bus will leave for Shanghai