It is said that the gravity on Mars is only about __________ of the gravity on earth.
#50894
A
three-eighths
B
third-eighth
C
three-eighth
D
third-eighth
推荐题目
There are _____ boys on the playground. 
#51480
A
for
B
forteen
C
fourty
D
forty
      —Can I help you?—I’d like ____________ for my twin daughters.
#51901
A
two pair of shoes
B
two pairs of shoe
C
two pair of shoe
D
two pairs of shoes
Several  ________ students came to the meeting. 
#51614
A
thousand
B
thousands
C
thousand of
D
thousands of
How do you read the number “3,054,003”?
#51165
A
three million, and fifty-four thousands, three
B
three million, and fifty-four thousand and three.
C
three million, fifty-four thousand, three.
D
three million, fifty-four thousand and three.