The system of Braille is really _____________ to the blind.
#64205
A
of great useful
B
great useful
C
great use
D
of great use
推荐题目
At the______ of the century, Shanghai is developing at a rapid speed.
#81359
A
turn
B
change
C
age
D
time
The girl is badly injured. You’d better _____ first aid to her before taking her to hospital.
#73592
A
make
B
do
C
take
D
afford
Thousands of foreigners were _________ to the Shanghai World Expo the day it opened.
#65112
A
attended
B
attained
C
attracted
D
attached