Great changes in every field _____ in the last ten years. 
#99202
A
take place
B
took place
C
have taken placed
D
had taken place
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 I need one more stamp before my collection ______.
#104144
A
had completed  
B
completes
C
has been completed
D
is completed
-----Is this the first time you______ Chengdu?-----No. But the first time I______ here, the city wasn’t so beautiful
#101878
A
visited; came
B
visited; have come
C
have visited ; have come
D
have visited; came
The 2012 London Olympic Games _________ to attract several billion TV viewers around the globe.
#102831
A
is expected
B
will be expected
C
are expected
D
has been expected
—What will you be doing at 4:00 tomorrow afternoon?—I _____ in my office.
#104565
A
will be typing
B
am typing
C
am about to type
D
will type
We are told that more new teaching buildings ________ next year. 
#101533
A
build
B
was built
C
has built
D
will be built