Scientists think that there has been life on Earth for _______ years.
#51626
A
illions
B
millions of
C
illion of
D
illion
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There are ________ days in a year.
#51337
A
three hundreds sixty- five
B
three hundreds and sixty-five
C
three hundred and sixty-five
D
three hundred and sixty five
—It’s said that the famous scientist will give us _________advice on maths study. —__________good news! I’m not good at it.
#51738
A
some; What
B
an; What
C
a; How a
D
any; How
My father will have a holiday next month. He’ll take me to Qingdao.
#51869
A
ten days
B
ten day’s
C
ten-days
D
ten days’
_____ of the land in that district ______ covered with trees and grass.
#51429
A
Two-five ; is
B
Two-fifth ; are
C
Two-fifths ; is
D
Two-fifths ; are