We will build another new Great Green Wall________ the northern part of China.

 They will lose the game _______ they try their best.

Traffic is heavy and the price of oil is much ______ so that many people go to work by bus instead.

 — It was a heavy snow last night. Are we all here now? — Yes, and _____ of us was late for school.

The soft music sounds ________. We are all listening ________.