My parents showed__________ some old pictures that brought back sweet memories.
、This question is ______ easy, all the students can answer the question.
Is this man your friend?一Yes,.
Hey, Jack. You ________ on the phone just now. But you weren’t here and the man left a phone number. —Oh? I was in the library.
David suddenly felt nervous. ___________, it was his first time to go on stage.[ ]