6. 1f he had not been ill yesterday， he ________to class.
A.go
B. would go
C. would have gone
D.went

7. __________ science and technology he1p the society to progress is a fact accepted by most people.
A.Modern
B. That modern
C. There modern
D.It is modern

8. ________ one of the leading novelists in America，Amy Taylor has also written a number of poems and plays.
A.Considered
B. Considering
C. Having considered
D.Been considered

9. The streets are all wet． 1t_________during the night。
A.must be raining
B. had to rain
C. must have rained
D.had rained

10. England’s chief exports are coa1， cars and cotton goods，cars _______the most important of these.
A.have been
B. are
C. be
D.being

6.C 7.B 8.A 9.C 10.D