16. Mr.Pike doesn't wear classes despite his old age → Even though............
18. The plane took off in despite the bad weather → Although....
20. Although it rained heavily, I went to school on time. → In spite of ...........
21. Everybody has great regard for him despite his poverty. → Although............
1.I think that you shouldn't risk → If ....................................................
2.Don't talk in class or your teacher will punish you → If .................
3.Put the garbage bin in every classroom or our classroom won't be clean → If .....................................
4.Go to bed early or you'll feel tired → If ..............................................
5.He was so timid in love, so he lost her → If .......................................
6.Jane helps me survey the market, so I plan to share a commission with her → If .......................................................
7.Tim drinks too much alcohol every day, that's why he is hospitalized for treatment → If ...................................................
8.He has many beloved girls, that's why he becomes so arrogant ( = so ) → If .....................................................