There are quite a few students in the classroom, but _______ of them is talking.
our city tries impatiently to change itsappearance by tearing down old buildings, more and more citizens are suggestingways to ___________ the historically important architecture
Mum, I’ m going to Ann’ s party this evening. —_______.
These are two ____ and three ____.
Why we eat outwhen can easily cook ourselves at home