Last Sunday, we visited the factory _____ my father ever worked for four years.
Today the forests are getting ____________, we must ________ down too many trees.
-Did you have a good time that day?-Yes, but the temperature was a little _______ and we didn’t wear warm clothes, so we went home early.
The earthquake ______ when I _______some cleaning.
I hope you _______ me before you _________ to school.
-Some people kill tigers and make medicine _____ their bones.-Yes, it’s terrible, and we can’t wear clothes _________ animal fur.