2019年mpacc考试英语真题——介词和介词短语1216

{01}He gave us ________ on how to improve our work .
A.an advice
B.three pieces of advices
C.a piece of advices
D.some advice
解析：
本题选D。
{02}We must work hard to protect the environment from ________.
A.pollution
B.pollute
C.polluted
D.polluting
解析：protect sb./sth. from/against…保护……免受到……
本题选A。