The teacher told us that everyone has an important role ________in protecting the earth from________.
#92087
A
to play; to pollute
B
to be played; to be polluted
C
to play; being polluted
D
to be played; being polluted
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The conference the_____ possibility of closer trade links.
#97933
A
rejected
B
investigated
C
proposed
D
postponed
No matter how frequently _______, the works of Beethoven still attract people all overthe world.
#94629
A
performed
B
performing
C
to be performed
D
being performed
Everyone here will thank the firefighter for the things they have done to prevent fires______the environment safer.
#94582
A
make
B
to making
C
to make
D
from making
I found him _________ in an armchair, ___________.
#97657
A
sit…and read
B
seated…reading
C
sitting…and read
D
seating…reading