2019年mpa考试英语真题——非谓语动词964

{01}Once he has determined _____ something, no one can change his mind.
A.to do
B.doing
C.to have done
D.having done
解析：
本题选A。

{02}I don"t think math _____.
A.easily to be learned
B.easily to learn
C.easy to be learning
D.easy to learn
解析：
本题选D。