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

Would you please tell me ________ next –Think it over . You’ll find agood way .

Sanya is ___ attractive city. It’s ____ beautiful place that a lot of visitors go there every year.

A new study found ______ a teacher has anxiety about maths, ______ feeling can influence how his or her female students feel about math．

Two professors at Harvard University published a study of 3,300 new graduates, looking at ______ their names had any bearing on their academic performance