下面加横线字注音完全正确的一组是（ ）

The trip shouldn’t take more than an hour.— ______It is at least two hours.

It is the first time that Chinese teachers ________ in schools across Britain to introduce Chinese-style maths lessons and teaching approaches.

During the expedition in themountains we passed through a place where in a little while we all lost out______ of direction

This is “F”and that is “U”