谁(人)放在句子后面

(a)  

几时(时间)

(a)  

哪里(地方）

(a)  

什么(东西)

(a)  

谁的(东西)

(a)  

哪一个(东西)

(a)  

为什么(原因)

(a)  

怎样(方法)

(a)  

I only have (a)   coins in my pocket.

(a little, a few, much)

The sun (a)   brightly all yesterday afternoon.

(shine，was shining，shines)

We have (a)   met her before.

(never , always , ever)

(a)   shot the tiger on the hill?

(Who , What , Whom)

Is it (a)   to travel by bus or by taxi?

(cheap , more cheap , cheaper)

Mei was (a)   after she heard about the accident.

(feeling blue , all ears , on cloud nine)

请问buy 的Past Tense 是？

(a)  

请问 teach 的Past Tense 是？

(a)