When I came in, they were ____________ in their discussion
A. toabsorb
B. absorbing
C. absorbed
D. being absorbed
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The teacher entered the garden ______________ by a long fence.
A. surrounded
B. surrounding
C. tosurround
D. be surrounded
I don’t know the man __________in the heavy flood.
A. to be trapped
B. trapping
C. trapped
D. being trap
The _________ leaves will be collected by the cleaners.
A. falling
B. to fall
C. fell
D. fallen
My sister got ____________ in the traffic accident.
A. injure
B. to injure
C. injured
D. be injured