—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
An official _____ by some reporters on food problems in Shanghai yesterday.
#44962
A
is interviewing
B
is interviewed
C
was interviewing
D
was interviewed
These young trees must        .
#44857
A
look after well
B
be well looked after
C
take good care of
D
be taken good care