Rewrite sentence
1.Unless we protect the environment, we will destroy ourselves.
If. .......
2,Unless she is more hard-working, she will get low marks
If.......
3,unless he listens to his parents, he will fail.
If. .......
4,they began watching the movie one hour ago.
They have . .......
5,he last cried ten years ago.
He has.......
Rewrite sentence
1.Unless we protect the environment, we will destroy ourselves.
If. ..we protect the environment, we won't destroy ourselves......
2,Unless she is more hard-working, she will get low marks
If...she is more hard-working, she won't get low marks.....
3,unless he listens to his parents, he will fail.
If. ....he listens to his parents, he won't fail.......
4,they began watching the movie one hour ago.
They have . .watched the movie for one hour.......
5,he last cried ten years ago.
He has.. not cried for ten years......
