The top student is on the way to_____a scientist

问题描述:

The top student is on the way to_____a scientist
A.become
B.becoming
C.turning
D.turn

选B
on the way to ...这里的to不是不定式符号,而是一个介词,表示“到...”,比如on the way to Beijing,on the way to the cinema.介词后只能接名词或动名词(相当于名词),因此这里只能用becoming (成为).