1. You shouldn’t eat too much meat.
-> You’d better not eat too much meat.
2. When did Mrs Mai start working in this factory?
-> How long have you started working in that factory?
3. How heavy is the chicken?
-> What is the weight of the chicken ?
4. Lan didn’t go to school yesterday because of her sickness.
-> Because Lan was sick, she didn’t go to school yesterday.
5. Mr.John couldn’t enjoy the meal because of the stomachache.
-> The stomachache prevented Mr.John from enjoying the meal.