c

=(c4+d4)/2

???

c

c

11. Travel a lot and you will know more about my beautiful country

               If …………………………………………………………………

12. Be careful or you’ll break the vase

               If ………………………………………………………………

13.Work hard or you will fail the exam

               If ………………………………………………………………

14. I’ll let you borrow the book, but you must promise to return it next week

               If …………………………………………………………………

15. The sea gets warmer, and the ice at the North and South Poles melts

               If …………………………………………………………………

16.He can do a part to save the environment by buying recycled products.

               If …………………………………………………………………………

17.Putting garbage into the bins is one answer to minimize pollution

                     If ………………………………………………………………………

18..Working too much will make you tired.

               If …………………………………………………………………………

19.Don’t be careless or you will fall over the rock

              If …………………………………………………………………………

20.Peter will pass his exam, but he has to study hard.

                     If ……………………………………………………………………

II.REWRITE -TYPE 1

1.Work hard and you will pass the Entrance examination 10

            If……………………………………………………………………………

                  2.Hurry up or you will not catch the first bus

            If ……………………………………………………………………………

  3.Recycle and we will save natural resources

            If ……………………………………………………………………………

                   4. You should call the tourist agency. They will explain to you more clearly

            If ……………………………………………………………………………

                   5. Unless she feels better, she won’t go to school tomorrow

             If ……………………………………………………………………………

                    6.If you don’t rest, you really will be ill

             Unless……………………………………………………………

                    7.Start at once or you will be late for school.

             If ………………………………………………………………

8.I may have free time tomorrow. I’ll go out with you.

               If …………………………………………………………………

9.Be calm and everything will be all right.

               If …………………………………………………………………

10.Students don’t litter and our school yard is clean.

               If …………………………………………………………………