Every possible means ________ to prevent the air pollution，but the sky is still not very clear.

When I took his temperature, I found it was two degrees above ．

More and more high-rise buildings have been built inbig cities __________ space.

We can never forget the days we worked together and the days we spent together.

The part in the film _____ the man broke down the door made some of the audience give a cry. [ ]