6
Choose the correct item.
1 Bullies make fun on/of others' appearance.
2 Never go to bed on/at a full stomach.
3 If you want to be at/in a good shape, do a
physical activity
4 Eggs are an excellent source on/of vitamin B.
5 At/On average, people need eight hours of
sleep every day.
6 Eat a diet rich with/in proteins.
7 He suffers of/from stress.