Great changes have taken place in that school. It is no longer ______ it was 20 years ago, _____ it was so poorly equipped.
We ___ to the farm last week.
You’ ll feel better as long as you ___ the doctor’s advice.
I can’t find my English book. I must ___ it at home this morning.
--Who did you ___ in the street last Sunday?---Lin Tao, a good friend of mine.
Something ___ to save our earth. Do you think so?