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
——Ann is in hospital.——Oh, really? I_______ know.  I_______ go and visit her.
#99642
A
didn’t; am going to
B
didn’t; will
C
don’t;would
D
don’t; will
Hurry up, kids! The school bus _______ for us!
#100583
A
waits
B
was waiting
C
waited
D
is waiting