—_______ they _______ the book _______ to the library yet?—Yes, they have.
More than twenty_____students are having an important exam at the moment.
---Could you tell us __________ ? ---About two weeks.
--- I wonder if your wife will go to the party. --- If your wife does, so ____________.
Not only he but also I ______ able to solve this kind of problem.
Tony’s sister is ______ to take care of the little baby.