Tony is an English boy. He can speak English, ______ he can’t speak Chinese.

Learning to write is learning to think. You don’t know things clearly _______ you can write them down.

        the children have fun, parents can take dance lessons on the beach.

--- Which do you prefer, tea____________  coffee?---Tea, please.

 －Your aunt often walks the dog in the morning.－Yeah,      bad weather stops her.