It is said that the gravity on Mars is only about __________ of the gravity on earth.
#40531
A
three-eighths
B
third-eighth
C
three-eighth
D
third-eighths
推荐题目
___________ a wonderful sense of humour. 
#36008
A
The English have
B
The English has
C
English have
D
English has
 — ________ is your school from your home?— About two miles.
#42510
A
How long
B
How far
C
How often
D
How soon