A cool rain was falling, _____________ with snow, causing heavy traffic．
#96890
A
mixing
B
mixed
C
to mix
D
having mixed
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The stone bridge __________ last year is very beautiful.
#90813
A
built
B
was built
C
being built
D
to be built
However, the eruption itself is really exciting and I shall never forget my first sight of one.
#95013
A
to watch
B
to be watched
C
watched
D
watching
The old sick lady entered the hospital, ______ her two sons.
#97437
A
to support
B
supporting
C
supported by
D
having supported