Do you still remember the city ____ we visited last year ?–You mean Zhengzhou? I know there is a factory____ your mother worked.

What a big smile on Mr.Lee’s face! —Yeah. He is proud _______ his students’ excellent performance. [ ]

This is the best hour I can _________ I_________ in the past twelve years.

Bill, is the pink umbrella Anna’s?— No, it _____ be hers. Hers is purple.

Don’t _______ your hope. Everything will be better.—Thank you. I’ll try my best.