I saw John in the park this morning.
It _____ be him. He has gone to HongKong.( )
A.can'tB.canC.mustn'tD.must
There_____more than two ways to solve this maths problem.( )
am
is
are
be
_____friend Claude from France is keen on Chinese culture.( )
I
Me
My
Mine
The ancient town has been open to visitors_____about ten years.( )
by
for
on
though
Mr. Smith always encourages his students to be active_____class.( )
in
with
from
Kelly's cheese cakes were sold out within half_____hour at the night market.( )
a
an
the
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