We know that about seventy percent _____ the earth _____ covered by water.
#44426
A
/; is
B
of; are
C
of; is
D
about; are
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— It’s difficult for the village children to cross the river for school.— I hear a new bridge _______ over the river in a year.
#44816
A
was built
B
is being built
C
has been built
D
will be built
A lot of money has been _________ helping the mountain villages all over China.
#45013
A
spent
B
use
C
cost
D
paid
--- What should we do on No-smoking Day? --- People aren’t _________ on that day.
#44591
A
allowed smoking
B
allowed to smoke
C
allowing to smoke
D
allow smoking