I must be off now. My friends ________ outside.
#101616
A
wait
B
have waited
C
are waiting
D
were waiting
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They became friends again that day. Until then they ______to each other for nearly two years.
#100235
A
didn’t speak
B
hadn’t spoken
C
haven’t spoken
D
haven’t been speaking
My money _____,so I must go to the bank to withdraw some of my savings before I have none in hand.
#102573
A
is running out
B
is being run out
C
ran out
D
has been run out of
 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