The old man is _______ please keep quiet. 

--What do you think of our school basketball team?--- They’re going to lose the match           they improve their game.

 ---Hi! Long time no see.---Yes. It’s almost three years_____ we met last time.

When you’re learning English, just use it, ______ you’ll lose it.

______now people cut down many trees,______a lot of animals are losing their homes.