Excuse me， Maria. Can I use your bike—Sure. Here you are. But you must return it _____ time.

_____ writer, she is excellent, _____ teacher she is not very good

Playing too many computer games _______ students.

Sometimes I was thinking about _______ my own how I could make friends with a man who had little _______ common with me.

It was the belief _____ Alex Haley could find his“root” in Afric______ made him decide to go to Gambia