26. common/ average/ ordinary/regular/ normal

He leads a       life.

An      of 1500 persons pass here every day.

Britain and America share a       language.

That is only an       incident.

He received four years of      education at college.

He arrived late as      .

27. raw/rough/crude/tough

The Japanese often eat      fish.

China is a country rich in      oil.

I had a very     idea about the project.

This is a very______ job.

28. continuous/ continual/constant/consistent/successive

A human body needs a       supply of air. 

He has        arguments with his father. 

The machinery requires       maintenance.  

What you say is not       with what you do.

He won three        matches.

29. compress/ condense/ shrink/press/squeeze

This machine can        the paper into thick cardboard.

 ______the button, then the machine will work.

Soup      when boiled.

We        the juice from an orange.

The number of students of this school has      .

The cloth       in the wash.

30. abandon/discharge/surrender/yield

The judge       the prisoner.

Jackson has        his old car.

That apple tree      plenty of apples.

We will never      ground to the enemy. 

They       to the enemy.

答案：

1.       regular, average, common, ordinary, normal, usual

2.      raw, crude, rough, tough

3.      continuous, continual, constant, consistent, successive

4.      compress, Press, condenses, squeezed, shrunk, shrinks

5.      discharged, abandoned, yields, yield, surrendered