Question

Many representatives agree that education is the key _________ future success, which has great effect _________ the development of our country．

[　　]

A．

of; on

B．

to; in

C．

of; in

D．

to; on

Answer 1

答案：B
解析：

考查介词的搭配。the key to…的钥匙/答案，介词to表示“附加，附带”的意思，have great effect on对……很大有影响。