choice 是名词，choose是动词，chose是动词（choose）的过去式。
1、choice英 [tʃɔɪs] 美 [tʃɔɪs]
n.选择;选择权;精选品;入选者
adj.上等的，精选的
造句
You have your choice between the two.
在这两个之中，你有选择权。
If you wish to proceed to the MA,be sure to inform the university of your choice.
如果你想攻读文学硕士学位，务必通知你所选择的大学。
The police faced the prisoner with a simple choice:he could either give the namesof his companions, or go to prison.
警察让犯人面临一个简单的选择：要么供出同伙的名单，要么进监狱。
But I have no choice.
但是我没有选择。
We have no choice.
我们没有选择。
2、choose 英 [tʃu:z] 美 [tʃuz]
vt.挑选;认为…比其它更可取;决定或选定
vi.选择;进行挑选
Choose any one you like.
任你挑选一个。
We have many patterns in stock for you to choose from.
我们有多种现存的式样供你选择。
The local shops have been marked in on this map so that people can choose a house in a suitable area.
这张地图已将当地的一些商店增加进去，这样人们就能在适当的地区内选择住所。
So how do I choose?
那么我该如何选择呢？
I choose not.
但我选择不。
3、chose 英 [tʃəʊz] 美 [tʃoʊz]
v.选择;选定;挑选（ choose的过去式 ）;喜欢
She chose him for her husband.
她选他为夫。
Jim chose Mary for his wife.
吉姆选择玛丽为妻。
We chose the house for our home as soon as we saw it.
我们一看见这所房子，就把它选作我们的家了。
I chose not to.
我选择不携带。
They chose to take responsibility for their education and set goals for themselves. And I expect all of you to do the same.
但是他们从未放弃，他们选择要承担他们教育的责任，为自己的人生设定目标，我希望你们都能这样做。