Only 16 percent of China’s area ____ covered with forests, so ____of us should protect trees. 
#43863
A
are; every
B
is; each
C
is; everyone
D
are; each
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When and where to go for the on-salary holiday         yet.
#85736
A
are not decided
B
have not been decided
C
is not decided
D
has not been decided
. The Olympic Games in the year 2008___ in Beijing of China, which  known to us all.
#86052
A
is to hold; is
B
is to be held; was
C
are to hold; is
D
are to be held; is
       of the land in that district          covered with trees and grass.
#85888
A
Two fifth;is
B
Two fifth;are
C
Two fifths;is
D
Two fifths;are