=> You'd better not eat too much meat.
47/
-> How long have you started working in that factory?
48/
 

-> What is the weight of the chicken ?
49/
 

-> Because Lan was sick, she didn’t go to school yesterday.
50/
 

-> The stomachache prevented Mr.John from enjoying the meal.

1.You'd better not to eat too much meat 2. How long has Mrs. Mai worked in this factory? 3. What is the weight of the chicken? 4. Because Lan was sick, Lan didn’t go to school yesterday. 5. The stomachache prevented Mr. John from enjoying the meal.