How was your weekend? —Great! It was my grandfather’s _________ birthday. We enjoyed ourselves.

Don’t ___________ the birds． Listen to the teacher carefully．

Why do English people talk so often about the weather when they start a talk? — Because the weather is a(n) ________ topic (话题).

______ is your father? —A bank clerk. He works in a bank near my home.

Do you take exercise every day? —-Yes. I always thirty minutes after supper.