Practising Chinese kung fu can not only ________ one’s strength, but also develop one’s character.

It is said that potato chips ____________ by mistake about a hundred years ago.

I called you at 8 O’ clock yesterday evening, but nobody answered.— Sorry. I ______ the “ Moving China 2012” award on TV. I was so deeply moved that I missed your call.

Why not tell her the good news right now? –Oh, no. I want to ________ her.

Ask John ______ here at 7 pm tomorrow.