1 课文：He telephoned the office yesterday morning and yesterday afternoon.

1 课文：He telephoned the office yesterday morning and yesterday afternoon.
请问yesterday可以只用一个吗?
2课文：My boss answered the telephone.
是我的老板接的.
What did your boss say to him?
你老板是怎么对他说的?
问句换成what did your boss answer him可以吗?
3课文：he said"pollin is typing letter,she cannot Speak to you now
这句中Speak可以换成say吗?
4课文then,i arrived home at six o'clock yesterday evening
这句子arrived可以换成got吗?yesterday evening为什么不用last night?
5课文he telephoned again
telephone后面为什么不加上me呢?还有打电话给某人,telephone后面为什么不用介词to?
6课文Did he telephone again last night?
他昨夜里又打电话了吗?
我默写：what did he telephone last night
不对的话为什么?