Your mother be over forty! She looks so young! — Thanks. She will be happy.

I don’t know when my son back, but when he back, I’ll call you.

Good luck _____ the coming exam. —Thank you.[ ]

Wow, so many new houses! I can’t believe that. It used to be a poor village. — Yes,_________ has changed here.

What does the instruction say?— The colors in the dress will if you use hot water.