2019年mpacc考试英语真题——名词14

{01}A thief slipped into the room without ________．
A.seeing
B.noticing
C.to be seen
D.being noticed
解析：介词后面要接动名词，因为notice是一被动动作，所以使用动名词被动式。
本题选D。
{02}________ of this small island in the Pacific Ocean took place．
A.The discovery
B.The discovering
C.To discover
D.Discovering
解析：
本题选A。