Overuse of computers largely to the failure of his eyesight，which is also a warning message for us all．
#101174
A
contributes
B
turns
C
devotes
D
adjusted
推荐题目
—Who do you think ________the book here?—It may be John.He was sitting here all the morning.
#99411
A
was leaving
B
leaves
C
had left
D
has left
--Was Tom there when you arrived? --Yes, but he___________ home soon afterwards.
#104809
A
had gone
B
has gone
C
is
D
went
When you reach our company at 5:00 pm, I _______ there to discuss a problem with you.
#99976
A
wait
B
have waited
C
was waiting
D
will be waiting
My father and my mother have been married for 30 years, and never once ______ with each other.
#99794
A
they have quarrelled
B
did they quarrel
C
had they quarrelled
D
have they quarrelled