用need的两种结构造句,用acoss的定语和表语各造一个句子（商店前的河）,

I need to eat because I am hungry.
I need to go on a diet.
I walked to the shop across from the river.
I threw the ball across the field.

I need you to carry all the bag
I need lots of energy
across是从表面度过的意思
through是从中间穿过的意思