-----We’ll have a school trip next week.-----That sounds _____. I’m sure we’ll have a good time there.
This is a cheap and simple process(过程), ____ ,there are dangers.
Have you returned the book to the library ____? --- Yes, I have ____ returned it.
When the teacher came in , the students about the new film .
The plane here for ten minutes already.
They borrowed a car _____ their neighbour.