Earthquakes always happen , so it is difficult to know when they come.
-Some people kill tigers and make medicine _____ their bones. -Yes, it’s terrible, and we can’t wear clothes _________ animal fur.
-I’m sorry I ______ my exercise book at home. -Don’t forget _______ it to school tomorrow, please.
—Boys and girls, we will have a class trip to Taixing Park next week. —Great! It must be ______. I simply can’t wait _____ it.
If people change the wetlands to make space____ farms, the birds will not have enough space _____.
-Peter, did you hear any noise? -Sorry, I ________ newspapers.