With the development of science and technology，there is no doubt ________ Chinese astronauts will land on the moon in the near future.

I have changed my job. — _____.[ ]

We’ll have a class meeting. Don’t leave the classroom ______ 6 o’clock. [ ]

Wow ! Everything ______ half price. That is too great .

_________ is Mike staying? —He is staying for 2 weeks.[ ]