The policeman came up to the house, whose door was open, _____ there for a while, and went in.
#100895
A
to stand
B
standing
C
stood
D
stand
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—Is there anything wrong, Bob? You look sad.—Oh, nothing much. In fact, I __________ of my friends back home.
#104607
A
have just thought
B
was just thinking
C
would just think
D
will just be thinking
--- Look at the black clouds. It ______ soon. --- Sure. If only we ______ out.
#104263
A
is raining; didn’t come
B
is to rain; won’t start
C
will rain; haven’t started
D
is going to rain; hadn’t come
---- Have you finished your composition already?---- Yes．I _____ it in less than ten minutes.
#102500
A
have finished
B
finished
C
will finish
D
had finished
Tony ________ for the company as an engineer for two decades. Now he teaches mechanics in Peking University.
#100949
A
has worked
B
worked
C
is working
D
had worked
In fact, more and more people ____ to live a greener, healthier and more environmentally “green life”.
#104261
A
chose
B
choose
C
are choosing
D
have chosen