Would you mind ______ here?

What do you think of the report Mr. Green gave us last week? — I think it’s _______, but someone thinks it’s much too _______.

I phoned you at 5:00 yesterday afternoon, but nobody answered me.—Sorry. I the flowers in the garden at that time.

中华人民共和国的英文缩写是______.

We communicate _____ each other _____ letter.[ ]