Our planet is about ______ years old.
#51853
A
35,000
B
4600
C
4600 million
D
500 million
推荐题目
About _____ of the world population is Chinese.
#51889
A
one third
B
one fourth
C
one fifth
D
one sixth
_________ volunteers will give out leaflets to ask people to protect the wetlands.
#51697
A
Two hundreds
B
Hundreds of
C
Two hundred of
D
Hundred of
—How often do the students play sports?
#51711
A
Twice a day
B
Since last night
C
For two hours
D
A month ago
About ______ students went to the show yesterday.
#50937
A
hundreds of
B
two hundreds
C
two hundred of
D
two hundred