Books are a worthy invention of human history since they make it possible for us to make a__of human’s thoughts.
#5629
A
plan
B
sign
C
point
D
record
推荐题目
AIDS control and prevention is a to China as well as the whole world．
#6429
A
surprise
B
challenge
C
reaction
D
threat
The Postal Service announced Tuesday it had made a significant _______in getting machinces to read handwriting .
#6703
A
progress
B
break through
C
impression
D
difference