of the surface of the earth          covered with water.
#53609
A
Seven-tens...are
B
Seven-tens…is
C
Seven-tenths...is
D
Seven-tenths...are
推荐题目
Go______ the street, walk _______the post office,and_______ the street, and you will see the book shop in front of you.
#53773
A
along; pass; cross
B
along; past; across
C
along; past; go across
D
on; past; go cross
 Smoking ________ your health. 
#63698
A
isbadfor
B
isgoodfor
C
isgoodto
D
isbadto
He _________ long curly hair but my hair ______ very straight and short.
#59247
A
used to be, used to have
B
used to have , used to be
C
used to be, used to be
D
used to have , used to have