Some buildings built in the past _______ down and new ones are being built there.
#103572
A
will be pulled
B
had been pulled
C
have been pulled
D
are pulling
推荐题目
---Remember the first time we met, Mary? ---Sure.You ______ in the supermarket.
#103848
A
had shopped
B
have shopped
C
were shopping
D
shopped
 When I called you this morning, nobody answered the phone. Where __________? 
#104600
A
did you go
B
have you gone
C
were you
D
had you been