—Two months ______quite a long time. —Yes, I’m afraid that he will miss lots of his lessons.
This is a very interesting book, I’ll buy it,______.
It is difficult for us to learn a lesson in life_________we’ve actually had that lesson.
There were some chairs left over____ everyone had sat down.
The old man has a son and two daughters, ______treating him well, ____makes him sad.
—Will you tell the secret to the teacher? —No!_________asked to.