_______ Mrs. Zhang ______ Dr. Yang shows great interest in the topic we are talking about. They want to know more about it.

I was doing my homework yesterday evening, Mother was cooking dinner.

Remember to take a breath of ______ fresh air and havesome exercise each day. It will make ______ difference.

That’s the newmachine ______ parts are too small to be seen

What about ______ bike— Do you think it all right to buy him that bike as______ birthday gift