We___for Beijing in two hours.为什么答案是are leaving,而不是will leave

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We___forBeijingintwohours.为什么答案是areleaving,而不是willleaveWe___forBeijingintwohours.为什么答案是areleaving,而不

We___for Beijing in two hours.为什么答案是are leaving,而不是will leave
We___for Beijing in two hours.
为什么答案是are leaving,而不是will leave

We___for Beijing in two hours.为什么答案是are leaving,而不是will leave
be going to与will两者都可表示将要发生的事、将要去做某事,但它们有如下几点区别:
1.be going to 表示近期、眼下就要发生的事情,will 表示的将来时间则较远一些,如:
He is going to write a letter tonight.
He will write a book one day.
2.be going to 表示根据主观判断将来肯定发生的事情,will表示客观上将来势必发生的事情.
He is seriously ill.He is going to die.
He will be twenty years old.
3.be going to 含有“计划,准备”的意思,而 will 则没有这个意思,如:
She is going to lend us her book.
He will be here in half an hour.
4.在有条件从句的主句中,一般不用 be going to,而多用will,如:
If any beasts comes at you,I'll stay with you and help you

"will do"和"be leaving/going等"都可以表示将来,be leaving/going则有计划、打算的意思,有主观意愿;will do则单纯表示将来,不涉及主语的主观意愿。此处显然are leaving更符合语境