—This returned Chinese scholar has become one of the top experts in this field.—Yes , I know him very well. He ___________ in Africa with wild animals for eight years.
#104287
A
has worked
B
had worked
C
worked
D
has been working
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--- Excuse me, sir. Would you do me a favor? --- Of course. What is it? --- I _____ if you could tell me how to fill out this form.
#103653
A
had wondered
B
was wondering
C
would wonder
D
did wonder
We ________ to move but are still considering where to go to.
#104728
A
are deciding
B
decided
C
have decided
D
had decided
—Have you ever been to Singapore?— Yes, I ____ there 3 times in 2009 alone.
#99248
A
have been
B
have gone
C
went
D
had gone
This is the first time that I ______ at the meeting.
#101848
A
had spoken
B
have spoken
C
has speaking
D
was speaking
----I have got a headache. ---- No wonder. You ________ in front of that computer too long.
#101965
A
work
B
are working
C
worked
D
have been working