—When _________ the car _______ ?—Sorry. I don’t know.
#44961
A
does; invent
B
did; invent
C
was; invent
D
was; inventing
推荐题目
People who drink wine______ to drive. 
#44582
A
don’t allow
B
isn’t allowed
C
shouldn’t allow
D
mustn’t be allowed
- 80% of our work ______ finished. - Really? It’s ______ hard work, you know.
#44995
A
have been; such
B
has been; such
C
has; such a
D
is; so