it's eight o'clock in the morning.it's time for the students----their English teacher.A.listen,B .to listen,C .listen to

问题描述:

it's eight o'clock in the morning.it's time for the students----their English teacher.A.listen,B .to listen,C .listen to, D. to  listen  to.

D
It's time for sb.to do sth.
listen to 听