This problem is said _____ three times.
#98792
A
to have been talked
B
to have discussed
C
having been discussed
D
to have been talked about
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________ the earth to be flat, many feared that Columbus would fall off the edge of the earth.
#88757
A
Having believed
B
Believing
C
Believed
D
To believe
The video，Gangnam Style，is becoming the first video________more than one billion views.
#89519
A
got
B
getting
C
to get
D
gets
Mark often attempts to escape _______ whenever he breaks traffic regulations.
#94730
A
having been fined
B
being fined
C
to have been fined
D
to be fined
Yan' an, a city in northern Shaanxi province, has seen great progress in its tourism industry over the past few years．
#89433
A
locating
B
located
C
locates
D
to locate
Be careful when you deal with this chemical, as it will explode when ______ to sunlight.
#88860
A
exposed
B
to expose
C
exposing
D
being exposed