_______ a pair of compasses, it is easy to describe a circle.

（题文）More efforts, as reported, ______in the years ahead to accelerate the supply-side structural reform.

I am trying to work out the problem and I wouldappreciate_____ if you could turn the music _______.

We are sure everything here____ by the time you come back from abroad in a few years

There____quantities of apples in the basketand there was____milk in the bucket.[ ]