Could I go to the movie this weekend, Dad —Yes, you ____. But you have to come back before nine.

What about this white shirt—It’s too ________ for me. I want a big one.

Can you make sure ______the gold ring?

He once studied in Zhejiang University, ________he went abroad for further study.

Although working mothers are very busy , they still ______ a lot of time to their children.