-- Director Wang, a man is waiting to see you outside, _______ he come in?-- In a moment. I' m busy right now.
Readers are required to________the rules of the library and mind their manners.
Everything seems to be going______for the first two weeks after I moved to London.
- Do you have______ready for the opening ceremony. Ted?- No. we still need some volunteers.
- You've got your flat funished. haven't you?- Yes. I______some used furniture and it was a real bargain.
Some researchers believe that there is no doubt______a cure for AIDS will be found.