It’s a long time ago ______ I saw you last time.
People that lived in the mountains didn’t have wells in the past, so they had to ______ water from a stream far away.
It’s almost ten years _____ we saw each other last time.
—Don’t eat too much candy, for it’s_____ your teeth.—Oh,I get it.Thank you.
_____ my teacher, I passed the English exam.
Miss Gao has taught us English two years. I have been here two years ago.