现在人们可以通过微信与他们的朋友保持联系.
People can their friends by Wechat now.
Thenumber ofthe doctors are130 in the hospital.
A B C.
Ben didn'tcome to school becausehis illness.
He did (badly) among the students in his class.
By the time I got to the cinema,the movie (begin).
She shouldn't (allow) to go out alone.