Look at the poster! It says that there ________ a concert in our school next Saturday.
Everyone went to the zoo last Sunday ______Jim.
____ will he be back? In a week.
If you miss so many lessons, you must fall behind ____ classmates.
I found _____ very difficult to learn maths well.
--Haven’t I told you that the computer needs______? ---Sorry,I forgot_______it fixed.I’ll send it for repairs right away.