Choose the word combinations that can be completed with the preposition "on". More than one correct answer is possible.

Exercise 5 out of 5

Tick the correct answers.

• To have a difficulty on something
• To keep one's mind on something
• To have a fear of something
• To feel sorry for oneself
• To rely on someone
• To write to someone about something
• To result in something
• To be afraid of something
• To be allergic to something
• To live on a farm

The correct combinations with "on" are: To have a difficulty on something, To keep one's mind on something, To rely on someone, To live on a farm.