The city is believed      over by sandstorms from AD200 to AD400.
#91594
A
to cover
B
to be covered
C
to have been covered
D
that was covered
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There was nothing we could do that day ____ him down but _____ him in the house.
#91726
A
calm, lock
B
to calm, to lock
C
calming, locking
D
to calm, lock
. He made up his mind to devote his life____________the river____________polluted.
#97630
A
to prevent, to be
B
to prevent, from being
C
to preventing, to be
D
to preventing, from being
You never imagine what trouble I have _________this paper in my house.
#96619
A
finding
B
to find
C
found
D
for finding