When and where this took place _____ still unknown.
#85610
A
is
B
has
C
were
D
are
推荐题目
It is reported that a woman as well as two children ______ from a big fire yesterday.
#86211
A
was saved
B
were saved
C
had been saved
D
have been saved
----- What does Canada export?---- A large quantity of wheat_____ sent away.
#86299
A
is
B
are
C
have
D
is being
- Don't you see the sign "No Parking!" on the right? -Sorry, I didn't. But now I know parking_______ here.
#43657
A
wasn't allowed
B
isn't allowed
C
won't allow
D
doesn't allow