Which of the following signs means that you can go out here？（ ）
A．B．
C．D．
Did you visit the Great Wall in 2005 or 2006？
． In fact， in 2008．（ ）
Either
Neither
Both
All
Our classroom is so clean．
It ___________ every day．（ ）
is cleaned
was cleaned
cleans
cleaned
Alice prefers stories that____short and funny．（ ）
are
is
was
were
Listen! I think it____ be Mr． White singing in the office．
No， it ___ be him． He left for London just now．（ ）
must； mustn't
may； mustn't
must； can't
can； can
Where is Mary flying？
She is flying to France soon． She will arrive in Paris _________ the morning of July1．（ ）
at
on
in
of
B．
D．
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