— Can you come on Friday or Saturday? — I’m afraid ______ is possible．I will go to the hospital to look after my friend．

We couldn't eat in the restaurant because________of us had money with us.

 Of all the methods they provided, ________ is of any help for solving the math problem.

Forty percent of the students in our class are boys, ____are girls.

I agree with most of what you said, but I don’t agree with __________.