Where do we usually see the sign?( )
A.On the bus.B.in the street
C.inside the museum.D.In the swimming pool
Hawking's book A Brief History of Time came after years' hard work.( )
out
on
down
up
Today, with the Internet, people can communicate than ever before.( )
easily
more easily
most easily
the most easily
We on the playground when it began to rain.( )
ran
were running
run
have run
Look at the sig. You take photos here.( )
couldn't
needn't
mustn't
won't
In China, we always use red paper for Hongbao red means luck.( )
until
if
although
because