1. What do you use your computer do?
2. What do you use your computer to do?
3. What do you use your computer for?
请问下大家三组句子,1算是错误的吗?2和3都正确吗?如果答句是:I use it to do homework. 那么2和3都可以选吗?
1是错误的,2和3都正确。如果答句是:I use it to do homework. 那么2和3都可以选。答句也可以说:I use it for doing homework.