—Why is the classroom so dirty?—Sorry,sir. It yesterday, We forgot to do it.
I think basketball is interesting, ______ he thinks it is ______.
----Let’s play _____ football. ----That _____ good.
---Does she ______a pencil case? ---No,_______.
Let Jim _______TV.
---Where is my schoolbag? ---It’s ______the table____the floor.