He’s been collecting stamps _ he was eight years old.

You look pale and upset—-Yes, my girl friend _____ an online chat with me non-stop until six o’clock this morning

I waved to Nancy, but she was _______ in her thought, and made no response.

. —-Can you tell me what is important toa businessman—-_______information

Hello! My name is Fan Bingbing, _____ I am Chinese.