下面这段话怎么翻译成英文：爸爸妈妈打算出差，他们直到下个月才回来。我奶奶卧病在床，我要照顾她，我还要为英语考好似而学习。因此哦我很抱歉不能在这星期天去参加你的生日宴会。

下面这段话怎么翻译成英文：爸爸妈妈打算出差，他们直到下个月才回来。我奶奶卧病在床，我要照顾她，我还要为英语考好似而学习。因此哦我很抱歉不能在这星期天去参加你的生日宴会。

My parents are going to go out on business,they will return next month.My grandma is staying in bed with illness,so I have to look after her.Well,I have to keep on studying for the English exam,so I fell very sorry that I can't attend your birthday party this Sunday.

dear my :

my parents are going to have a business trip and will not come back until next month. but my grandma is laid up and i need to take care of her, in addition, i must prepare for my english exam,so i am very sorry that i couldn't join in your birthday party.

yours faithfull

My parents are going to working-out, they will come back next month. My grandmother is sick, I need to take care of her, and I also need to prepare my English test. Therefore, I am so sorry that I cannot go to your birthday party this Sunday.