These articles are written in simple language, _____ makes it easy to read.

A. that       B. this       C. which      D. it

 Don’t be discouraged. ______ things as they are and you will enjoy every day of your life.

　A. Taking               B. To take 　C. Take   　 D. Taken

The poor man , ________，ran out of the dark cave.

A. tiring and frightened B. tired and frightened

C. tired and frightening 　　　 D. tiring and frightening

  The stone bridge __ _   last year is very beautiful.

A. built    B. was built    C. being built   D .to be built

 Not until the early years of the 19th century ________ what heat was.

  A. man did know   B. did man knew   C. didn't man know   D. did man know

 Tom kept quiet about the accident ________ lose his job.

  A. so not as to  B. so as not to  C. so as to not  D. not so as to

We must work hard to　　　 a good knowledge of English.

A. take　　　　　 B. acquire　　　　 C. catch　　　　 D. hold

A driver should the road when 　　　　　 .

A. concentrate on; drive　　　　　 B. concentrate in; driving

C. concentrate to; drove　　　　　 D. concentrate on; driving

 _______ in a friendly way, their quarrel came to an end.

  A. Being settled    B. Settled     C. Settling     D. Having settled

His report was so exciting that it was　　　 interrupted by applause（掌声）.

A. constantly　　　 B. constant　　　 C. seldom　　　　 D. never