Most of the people present at the meeting think poorly of    the proposal, which they think will________ the worsening    of the environment.

When I was about to go out, something unusual _______ my attention.

The Chinese government has overcome problems of population and economy to     ________  its “nine years of compulsory education”．

The air is deadly polluted because some factories don’t    __the rules to protect the environment.

Despite the fact that all three teams ________ different approaches to the problem, they were all immediate successes．