42. I think you should prepare carefully for your journey. I advise you …………………………………………………

42. I think you should prepare carefully for your journey.
I advise you …………………………………………………
43. The library lends books to both students and teachers.
Both students and teachers can ……………………………………….
44. My mother is always busy from morning till night.
My mother is …………………………………………………………..
45. Unless she waters these flowers everyday, they will die.
If she …………………………………………………………………………
46. Pay electricity bill today or your electricity will be cut off.
If you ……………………………………………………………………………..
47. Do morning exercises regularly, your body will be fitter.
If ………………………………………………………………………………….
48. Unless she wears warm clothes, she will have a cold.
If she ……………………………………………………………………………….
49. If it is warm tomorrow, we will have a picnic
Should it ……………………………………………………………………….
50. Take part in the English club and your speaking skill will be improved
Should ………………………………………………………………………………..