Mr Li, I can’t understand everything in class.—-Don’t worry! I’ll _______ the main points at the end.
Tennis isn’t the same _________badminton. They are different __________each other.[ ]
Millie is getting on well with her friends but she is a little selfish ______. [ ]
It’s not easy for us__________ English well.
When you are ___ trouble please ask forhelp ___ us. [ ]