I know Mr Brown； we ＿＿＿＿＿＿ to each other at an international conference.
#104666
A
are introduced
B
have been introduced
C
were introduced
D
had been introduced
推荐题目
His letter was especially welcome as I ____ from him for long.
#104693
A
haven’t heard
B
would not heard
C
hadn’t heard
D
didn’t heard
_______ , the girl worked in a hurry.
#103459
A
Having swept the room
B
Another room swept
C
Having another room to sweep
D
Having another room to be swept
People were not allowed to enter the reading room because it _______.
#102897
A
had been painted
B
was being painted
C
was painting
D
painted