What did the teacher say just now—Sorry. I didn’t catch it. I aboutsomething else.

The old man __________ in Tibet for two years as avolunteer teacher；it is an experience he oftenmentions.

It was only a very short time _______ the young ladyfound her cellphone stolen as she got on the crowed bus

下列各句中标点符号的使用正确的一项是(　　)

We just hope that Tom will bring ________ goodnews back home this time.