一些英语英译汉的题

this tv program was watched yesterday.
practicing spoken english is very hard.
watching him playing piano is really boring.
he may not be able to do those things, such as cooking and cleaning up his room.
cotton is made in south of china.
this meeting wasnt conducted yesterday.
looking forward to seeing a good friend of mine made me stayed up all night.
he learns english by studying grammar and talking to foreigners.

我是按你的原文翻译的，有些地方你的汉语就奇怪了，所以翻出来也有点奇怪。顺便说下，这是汉译英。

I saw this TV program yesterday.(用一般过去时)
It's difficult to practice oral English.（强调句型）
It's boring to watch him playing the piano.（强调句型）
I can do many things such as writing letter in English.（用一般现在时）
He may not do these things such as cleaning up the room.（用情态动词may）
The cotton is made in southern China.（表事实用一般现在时）
This talk was not held yesterday. (用一般过去时)
He learns English well by speaking French and talking with foreiners.(第三人