I haven’t heard from Bill ________ he left here.
#56844
A
when
B
before
C
since
D
while
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It is _____ to cycle around Guilin. 
#58009
A
a great fun
B
a fun
C
great fun
D
a great funny
    he is only five years old,    he can sing a few English songs.
#56880
A
Although, but
B
Because, \
C
\ , so
D
Although, \
He has ever read the story book, _____?
#55544
A
doesn’t he
B
has he
C
hasn’t he
D
does he