把下列句子翻译成英语（简单的）

1.I really have to give up smoking.
2.You had better do today's homework by yourself.
3.Sorry, but I have to go. It is dark now.
4.I will tell you a secret, but you must promise me not to tell her.
5.I should have phoned Tom this morning, but I forgot it.

1楼正解。。。。。

i have to give up my smoking.
you'd better finish your homework by your own!
sorry, i have to go now, because it is dark.
i want to tell your a secret, but you can't tell her.
i should call Tom this morning, but i just forgot that.

戒烟是quit smoking
1.我真的必须戒烟了。
I must quit smoking。
2.你最好独立完成今天的家庭作业。
You'd better finish your homework by your own。
3.对不起，我得走了。天黑了。
Sorry， I got to leave。 It's getting dark。
4.我想告诉你一个秘密，但是你不可以告诉她。
I have to tell you a secret unless you sware you won't tell her.
5.今天上午我本该给汤姆打电话，但是我忘了。
I forgot to call Tom.
Or....
I supposed to give Tom a call this morning, b