A few weeks spend in travelling can be just ____ in school.A a part of one's education sueful as B as a useful part of one's education asC part of one's education as usefulD a part of one's education as useful as
问题描述：
A few weeks spend in travelling can be just ____ in school.
A a part of one's education sueful as
B as a useful part of one's education as
C part of one's education as useful
D a part of one's education as useful as
答
D.主要表示与.一样.用as.as 结构来表示