.He was about to leave ______the telephone rang; ______was from his mother.
--Have you ever been to Beijing?---Yes, and I still remember ___ there when I was a little boy.
He'll never say a word about it ___ you have explained it to him.
He hasn’t decided which hotel ___. Nor have I .
---How do you ___ the picnic? ---It's wonderful.
Is there enough time ___ now? Yes, take it easy.