单项选择题

Good amounts of sleep every night______ also important for your health.
A.is
B.are
C.was
D.were

A.A.is
B.are
C.was
D.were
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单项选择题
With the countrys population increasing to 3 billion, many of Chinas rivers, including the legendary Yellow River, ______A.is drying upB.will be drying upC.had dried upD.are drying up
A.is
B.will
C.had
D.are
单项选择题
Our class______all fond of singing English songs and we can sing ______than others.A.is; many moreB.are; many moreC.is; much moreD.are; much more
A.A.is;
B.are;
C.is;
D.are;
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