— Some of my classmates don’t like math because they think it’s boring.— I don’t like it, _____. I think it’s too difficult.
Mr. Brown buys some pens and notebooks _______.
Wait _______ minute! Would you like to play ______ football with us?
---I feel tired and sleepy. ---Why not stop______?
When Mary stood up to answer the question , she was _____at first but soon relaxed.
Can you imagine ___________?