His father believe in_____ very much, so he makesdecisions all by _____.

he living expense increasing rapidly, I, a freshclerk in a company, have to take three part-time jobs, which _____ about extra$ 4,000 a year．

Pollution does great harm to our health. It’s necessary the environment.

We would rather die than ______ difficulty. [ ]

1It’s too dark here. Please__ the light.