The scientist __________ the experiment for half a year, but he _______ yet.
#102041
A
made; didn’t succeed
B
made; hasn’t succeeded
C
was making; didn’t succeed
D
has been making; hasn’t succeeded
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I felt very excited because it was the first time I on the stage.
#99325
A
have acted
B
acted
C
act
D
had acted
---Where is the manager? I have something important to discuss with him. --- He is at the airport now. He _________ for Beijing.
#101485
A
has left
B
leaves
C
left
D
is leaving
----Why didn’t you go to the concert ?-----I ____a game between two American basketball teams
#101079
A
watched
B
had watched
C
was watching
D
had been watching
---I am sorry. I should not have been so rude to you. --- You _________ your temper but that’s Ok.
#103789
A
have lost
B
had lost
C
did lose
D
were losing
--- Sorry, I’m late.--- That’s OK. I ___________ long.
#99044
A
haven’t waited
B
don’t wait
C
haven’t been waiting
D
didn’t wait