I know Mr. Brown；we ＿＿ to each other at an international conference.
#104419
A
are introduced
B
have been introduced
C
were introduced
D
had been introduced
推荐题目
I would have helped you, but I ________ really occupied the whole week．
#99374
A
was
B
am
C
had been
D
were
The tourism of Linyi_______ a rapid growth over the last decade. Now it's 2nd most visited city in Shandong Province.
#99656
A
saw
B
had seen
C
is seeing
D
has seen
The Wolf and the Lamb _____so popular that some children went to see it for a second time.
#102713
A
were
B
was
C
have been
D
has been
----Guess what, we’ve got our visas for a short term visit to the UK this summer.---How nice! You ______ a different culture then.
#100542
A
will be experiencing
B
have experienced
C
have been experiencing
D
will have experienced