It`s good ____ exercise every day.

It is uncertain ______ side effects these weight-loss drugs will bring about, although hundreds of thousands of patients have taken it.

What time do you get up–I don’t have a _________ time. Between 6:30 and 7:00.

ch14, 2013, Xi Jinping was elected_______ president of _______People’s Republic of China

Lucy, please stop ___me.My bike is broken.