Living in the mountain area has its problems , _____ obtaining water is a big problem.

I feel ________ because I will have a job interview (面试) tomorrow.

ir disfind the missing ring, which was to bring them intogreat trouble．

How many students do you think are still on theplayground now—I am afraid there are few of them, ______

____cleaning the yard and making up the beds for the old, we also read newspapers for them and had chats with them.