[单项选择]I waited for a long time, but he still didn't ______.
A) turn up C) turn down
B) turn oat D) turn over

[单项选择]It's a long time since he left his hometown, ______

[单项选择]It's a long time since he left his England, ______

[单项选择]He ______ another career but, at the time, he didn't have enough money to attend graduate school.


A. might have chosen
B. might choose
C. had to choose
D. must have chosen

[单项选择]He looked as if he ______ ill for a long time.


A. was
B. were
C. has been
D. had been

[单项选择]Linton looked as though he（）ill for a long time.
A. were
B. was
C. has been
D. had been

[单项选择]A long time ago, at
A. A．a .national conference on biology, he cautiously ______ his new theory on life. advancedB. relievedC. producedD. thrust

[单项选择]He didn’ t have time to read the report word for word: he just______it.
A. skimmed
B. observed
C. looked
D. saw

[单项选择]He didn't keep on asking me the time any longer as he had had his watch（　）.
A. to repair
B. repaired
C. repairing
D. repair

[单项选择]It is high time that he（　）
A. had come
B. came
C. did come
D. has come

[单项选择]Whenever he had time, he ______ me with my English.
A. helps
B. to help
C. would help
D. will help

[单项选择]We have known for a long time that the organization of any particular society is influenced by the definition of the sexes and the distinction drawn between them. But we have realized only recently that the identity of each sex is not so easy to pin down, arid that definitions evolve in accordance with different types of culture known to us, that is, scientific discoveries and ideological revolutions. Our nature is not considered as immutable, either socially or biologically. As we approach the beginning of the 21st century, the substantial progress made in biology and genetics is radically challenging the roles, responsibilities and specific characteristics attributed to each sex, and yet, scarcely twenty years ago, these were thought to be "beyond dispute".
We can safely say, with a few minor exceptions, that the definition of the sexes and their respective functions remained unchanged in the West from the beginning of the 19th century to the 1960s. The role distinction, raised
A. there is almost no clue to the identity of both sexes.
B. the role distinction between different sexes is conspicuous.
C. the different definitions of sexes bear on the development of culture.
D. the progress of civilization greatly influences the role definitions of sexes.

[单项选择]Yesterday I stared at the map for a long time to _________ my memory of the route.


A. remedy
B. relax
C. recover
D. refresh