---- What are you going to do this weekend ? ---- I'm going to do some outdoor activities _______ it rains .A. If B. unless C. because
There's too much noise here. Let's go_________.
The girl is new here and she lives _______. So she seems _______.
There are _______ books in our library.
I have two brothers. One is a worker, ________ is a driver.
You don't know the way. Why ______ the policeman for help?