Rewrite

26. I can’t write to Linh because I don’t have her address.

=> If………………………………………… ………..

27. Dick often causes accidents because he drives carelessly.

=> If………………………………………… ………..

28. We can’t give much help to the poor because we waste a lot of money on unnecessary things.

=> If………………………………………… ……..……..

29. Peter is fat because he eats so many chips.

--> If ……………………………………………………..…

30. Be calm, or you’ll make a wrong decision.
-->If ……………………………………………………..……