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Our planet is about         years old.
#17203
A
35,000
B
4600
C
4600 million
D
500 million
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书写占三格的字母是_____________
#17052
A
o
B
j
C
m
D
a
Children are having a good time in the park.
#17289
A
have fun
B
enjoy themselves
C
having fun
D
playing games
—What’s this in English, Jack?—It is a jacket.
#17267
A
Its
B
He’s
C
She’s
D
It’s
Math is a little difficult, but I still like it very much.
#17281
A
few
B
kind
C
kind of
D
a few
--- It’s so hot today. Why not stay at home and read books? --- ___________! Let’s read the novel Twilight.
#17240
A
That’s Ok.
B
Good luck
C
Of course not
D
Good idea