You can hardly imagine what great difficulty we had _________ the task.
#92688
A
finishing
B
finished
C
to finish
D
finish
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__________ that these creatures are linked to a common ancestor.
#92501
A
As is believed
B
What is believed
C
That is believed
D
It is believed
We should think of ways to stop the waste from the factory _____ our living environment.
#94851
A
being polluted
B
polluting
C
from being polluted
D
polluted
We should pay close attention to safety in schools because of frequent reports about accidents ____ students got injured or killed while in school.
#93927
A
which
B
for which
C
in which
D
what
He felt _______ to remind the public to protect the environment.
#93974
A
his duty
B
that is his duty
C
it his duty
D
it is his duty