It’s reported that at least 500 million people are using WeChat(微信) in China.
you drive,you will be.
The policeman asked the child ________ cross the street ________ the traffic lights turned green.
— I have great _______in finishing the work by myself. Could you help me? — No problem.
-How well she sings! -Yes, she has a very sweet __________.
He found very difficultthe math problem.