The old man came ______ to the railway station, only ______ the train was slowly pulling out of the station.
#93288
A
and ran; found
B
running; finding
C
running; to find
D
to run; finding
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__________ to sun, rain and wind for a long time, the stone split.
#94107
A
Being exposed
B
Having exposed
C
Exposed
D
To expose
--- Did that book give the information you needed? --- Yes, but ______, we had to read it almost entirely.
#98801
A
for finding it
B
to find it
C
finding it
D
by finding it
There are five pairs _______, but I’m at a loss which to choose.
#98607
A
to be chosen
B
to choose from
C
to choose
D
for choosing
Carbon dioxide(CO2)_______ from burning fuels is the most common of the so-called greenhouse gases.
#91467
A
producing
B
having been produced
C
to be produced
D
produced
________by a group of children，the old man was delighted.
#94521
A
To be surrounded
B
Surrounding
C
Surrounded
D
To be surrounding