More than two _______years ago, people knew little about the universe.
#51657
A
thousands
B
thousand
C
thousands of
D
thousand of
推荐题目
---Is the Great Wall a wonderful place? ---Yes, tourists come here for a visit every year.
#51533
A
thousand of
B
thousands of
C
thousand
D
thousands
The bridge is about ___meters long.
#51592
A
two hundreds
B
two hundreds of
C
two hundreds
D
two hundred
About _____ of the workers in my company ______ to work every day．
#51536
A
two-nineths; drives
B
two-nineths; drive
C
two-ninths; drives
D
two-ninths; drive
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
——How old is the baby boy? ——He is an ________ boy.
#51685
A
8 months old
B
10 month old
C
8-month-old
D
10-month-old