What was your brother doing at this time yesterday– He was reading a magazine ________ I was writing an e-mail at home.

A large number of people are _____, and how can the local government ignore the problem

There so many foreigners in the streets these days.– They might be runners in the Yellow River Estuary (入海口，河口) International Marathon.

That’s a nice mobile phone.— It is. My aunt _____ it for my last birthday.

Mr Harris apologized ______ the children ______ the lady ______ what they had done