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[单选题]
Since when ____ you go to gym weekends?
A.are
B.do
C.have
D.is
查看答案
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A.are
B.do
C.have
D.is
A.when
B.until
C.since
D.before
A.while
B.until
C.since
D.when
A、where
B、from
C、since
D、when
A、错误
B、正确
B.are crossing
C.crossed
D.is cross
A.focus
B.object
C.preserve
D.fix
B.will have to
C.must to
D.might