4.You should listen to the weather forecast before going camping.

5.You should  take exercise every day.

6.You should drink the water there. It make you ill.

7.You shouldn't eat lot of sweats.

8.You mustn't use your phone in class.

$\text{C1.You should listen to the weather forecast before going camping.}$

$\text{C2.You should  take exercise every day.}$

$\text{C3.You should drink the water there. It make you ill.}$

$\text{C4.You shouldn't eat lot of sweets.}$

$\text{C5.You mustn't use your phone in class.}$

$\text{Học tốt!!!}$