Let’s go to the restaurant ________ the food is cheap and delicious.A. that B. where C. which
I think Kate will come if she _______ free this afternoon.
---I hope you _______ my party next weekend? --- OK, I _______ .
I was doing my homework _______ mother was cooking.
No one knows what _______ in fifty years.
If there aretrees, the air in our city will becleaner.