Dr. Ma has _____ most of his time to _____ people with eye problems.

It was 300 hundred years ago _______ this historic temple was built by a wealthy Mandarin.

They were about to leaveit began to rain

In my opinion, it is not so helpful to give someone some bread as it is important to teach him how to _____.

s attended the Olympics Games three times, so he has the _________ of rich experience.