I graduated from college twenty years ago and I ____________ as an English teacher in this middle school ever since.
#101021
A
worked
B
have been working
C
had worked
D
was working
推荐题目
Would you please keep silent? The weather report        and I want to listen.
#101408
A
is broadcast
B
is being broadcast
C
has been broadcast
D
had been broadcast
A1l flights _________ because of the heavy storm, so we decided to take the train.
#100045
A
have canceled
B
have been canceled
C
had canceled
D
had been canceled