2019年mpacc考试英语真题——介词和介词短语2241

{01}14. Here we buy eggs____ the dozen.

A.in

B.to

C.by

D.at

解析：略
本题选C。
{02}.Saving resources is a basic policy of our country . And it proves _____ to its sustainable development .

A.to be great significance	B.to be of great significant
C.of great significance	D.great significant

解析：略
本题选C。