The key _____ four modernizations lies _____ the science and education. 
#27570
A
to, on
B
of, on
C
to, in
D
of, in
推荐题目
 He did everything with a full heart. ______, he was always successful. 
#27196
A
By the way
B
On one hand
C
As a result
D
At the start
With the water in the lake rising fast, villages around are _______.
#27316
A
in danger
B
dangerous
C
danger
D
in dangerous