Listen! Is it Linda singing in the next room? –No, it __________ be her. She is still in Shanghai.

I don’t think they will help us, ?

The blouse ______ me 200 yuan.

Hurry up, Mike. You must get to the airport an hour before the plane _____.

He went to Shanghai ___ September 3, 1991 and came back ___ a cold morning last year. [ ]