No sound and no voice______ for a while.
#104900
A
have heard
B
has heard
C
has been heard
D
have been heard
推荐题目
The mayor of Beijing says that all construction work for the Beijing Olympics _____ by 2006.
#105003
A
has been completed
B
has completed
C
will have been completed
D
will have completed
Great changes ___ in the city, and a lot of factories ___.
#101465
A
have been taken place, have been set up
B
have taken place, have been set up
C
have taken place, have set up
D
were taken place, were set up
If the weather had been better, we could have gone outing. But it ____ all day.
#100919
A
rains
B
has rained
C
had been rained
D
rained
---- You haven’t got the textbook for my chemistry course yet. ---- I know, and we _____ to get it for the last 5 weeks.
#104715
A
will have been trying
B
have been trying
C
will be trying
D
had tried
It is said in the book that Thomas Edison (1847—1931) ________ the world-leading inventor for sixty years.
#104751
A
would be
B
has been
C
had been
D
was