which is wrong?a for-hour trip / two five--year plan / a four --act play / a million--pound note.

问题描述:

which is wrong?
a for-hour trip / two five--year plan / a four --act play / a million--pound note.

two five--year 【plans 】

four hours 四小时,four数词+名词hours;
four-houre 四个小时的,连联构成形容词;
two five-year plans 两个五年计划,five-year,五年的