rewrite sentences
1/unless we protect the envir/nmoent, we will destroy ourselves=>If___
2/unless she is more hard working, she will get low marks=>If___
3/unless he listens to his parent, 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 sentences
1/unless we protect the envir/nmoent, we will destroy ourselves
=> If we don't protect the environment, we will destroy ourselves.
2/unless she is more hard working, she will get low marks
=> If she doesn't work hard, she will get low marks.
3/unless he listens to his parent, he will fail
=> If he doesn't listen to his parents, he will fail.
4/They began watching the movie one hour ago.
=> They have been watching the movie for an hour.
5/He last cried ten years ago
=> He hasn't cried for ten years.
