1)I'm very busy ,so I can't help you now ->If I weren't ....... 2)they have rebuilt many roads in this city -> many roads have....... 3) I didn't understand the lesson because I was absent from class yesterday _> if I hadn't 4) human beings are therateing the nature -> the nature is....... 5) mary learns very hard because she wants to get good marks -> if mary...... Giải nhanh hộ m

2 câu trả lời

1. busy, i would help you now

2. been built in this city

3. been absent from class yesterday, l would have understood the lesson.

4. being threatened by human

5. If Mary learns hard, she wil get good marks.

Chúc bạn học tốt

1)I'm very busy ,so I can't help you now

->If I weren't busy , I would help you 

2)they have rebuilt many roads in this city

-> many roads have been rebuilt in this city

3) I didn't understand the lesson because I was absent from class yesterday

-> if I hadn't understood the lesson, I would have absented from class yesterday

4) human are threateing the nature

-> the nature is being threated by human

5) mary learns very hard because she wants to get good marks

-> if mary learns hard, she will get good marks

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