Fill in the blanks with an appropriate preposition.
1The fall session starts ............... Monday.
Wrong!
Use "on" with days such as Monday.
2He is working ............... his computer.
Wrong!
Use "on" in the phrase "on his computer" when someone is using a computer.
3The meeting has been put off ............... Saturday.
Wrong!
Use "until" to show the new time when a delayed event will happen.
4I haven’t met them ............... Monday.
Wrong!
Use "since" with the present perfect to show the starting point of a period.
5He doesn’t mind being alone ............... a long time.
Wrong!
Use "for" to show the length of time.
6There is a long-standing dispute ............... the two families.
Wrong!
Use "between" when you are talking about two people or groups.
7We must leave ............... sunset.
Wrong!
Use "before" to mean earlier than a particular time.
8I will be back ............... an hour.
Wrong!
Use "in" to mean after a period of time from now.
9I woke up ............... dawn.
Wrong!
Use "at" with exact times and fixed time points such as dawn.
10The shop is open ............... 9 a.m. to 5 p.m.
Wrong!
Use "from" to show the starting time in the range "from 9 a. m. to 5 p. m."
11He is ............... the top of his game.
Wrong!
Use "at" in the fixed phrase "at the top of his game".
12I was speaking ............... him.
Wrong!
Use "of" in "speaking of him" to mean mentioning him.
Done.
Score: 0/12
Answers
- The fall session starts on Monday.
- He is working on his computer.
- The meeting has been put off until Saturday.
- I haven’t met them since Monday.
- He doesn’t mind being alone for a long time.
- There is a long-standing dispute between the two families.
- We must leave before sunset.
- I will be back in an hour.
- I woke up at dawn.
- The shop is open from 9 a.m. to 5 p.m.
- He is at the top of his game.
- I was speaking of him.

