Question

she is going to什么括号learn english tonight？

Answer 1

回答和翻译如下：
Be.
She is going to be learning english.
她将要今晚学习英语。

Answer 2

应该是填learn的适当形式，在这里应该填动词原形，learn。
She is going to learn English tonight.
她今天晚上要去学英语。
be going to do sth
一般将来时，将要做某事

Answer 3

She is going to learn English tonight.

她今晚打算学英语。