1.us from enjoying the trip
2.C1:Mr.Thanh from enjoying the meal
C2:Because of the stomachache,Mr Thanh couldn't enjoy the meal
3.Because Lan was sick,she didn't go to school yesterday
Lan's sickness prevented her from going to school yesterday
4.The storm prevented the buses from running
Because of the storm the buses couldn't run
5.He couldn't go to school because of his illness
His illness prevented him from going to school