I know Mr. Shuili; we ______ to each other at an English lecture.
#102636
A
are introduced
B
are been introduced
C
were introduced
D
had been introduced
推荐题目
—Sorry,sir,your car isn't ready yet.It ________ by our workers.—Oh,my God,when can I come to fetch it?
#99748
A
is repaired
B
has been repaired
C
is being repaired
D
will be repaired
All possible means ___ been tried to stop the air______.
#103381
A
has, polluted
B
have, polluting
C
have, being polluted
D
has, being polluted