he twobrothers, Bill is ____ younger one, and he is a quiet boy, _____ that mostadults like very much.

She used to _______with her parents, but now she is used to ______with her classmates at school.

_______ makes a scientific achievement important?

Can you tell me in Beijing— Yes. At 7 o’clock tomorrow evening.

He likes playing tricks on others, but_______, he is a good boy.