The number of historic buildings which ________ has reached a surprising figure that we must be aware of.
#99554
A
has been pulled down
B
had been pulled down
C
is being pulled down
D
have been pulled down
推荐题目
 As she _____ the newspaper, Granny _____ asleep.
#104166
A
read ; was falling  
B
was reading; fell
C
was reading; was falling
D
read; fell
At this time next week ______________ the English Channel.
#100500
A
I’ll cross
B
I’ll be crossing
C
I’m to cross
D
I’m going to cross