______American people and British people speak the same language,their cultures are quite different.( )
A.SinceB.IfC.AlthoughD.Because
The Forbidden City (紫禁城), the largest palace in the world, ________ more than 600 years ago.
built
were built
was built up
was building
Students ________ play with fire in the classroom. It’s quite dangerous.
mustn’t
must
couldn’t
could
I began to teach ________ English when I was twenty-two years old.
they
their
theirs
them
Would you like to go to the open-air concert at school? It’ll start in ________ hour and ________ half.
an; an
a; an
an; a
a; a
—Could you please tell me ________?
—Next Sunday morning.
when we will go to Gupo Mountain
when will we go to Gupo Mountain
why we went to Gupo Mountain
why did we go to Gupo Mountain