Correct the following sentences.
1Jack, ............... is my friend, is a good boy.
Wrong!
Use "who" for a person in a non-defining relative clause.
2Last year we visited Shimla, ............... is perhaps the best hill station in India.
Wrong!
Use "which" for a thing or place in a non-defining relative clause.
3This is the house ............... I purchased from Peter.
Wrong!
Use "which" for a thing as the object in a relative clause.
4We bought some grapes from ............... we extracted juice.
Wrong!
Use "which" after a preposition when referring to a thing.
5He lent me a mattress on ............... I slept soundly.
Wrong!
Use "which" after a preposition when referring to a thing.
6I have a friend ............... mother works at a bank.
Wrong!
Use "whose" to show possession before a noun.
7With ............... were you exchanging pleasantries?
Wrong!
Use "whom" after a preposition when referring to a person.
8We met a traveler ............... bag was stolen.
Wrong!
Use "whose" to show possession before a noun.
9Air, ............... is present everywhere, is essential for the existence of life.
Wrong!
Use "which" for a thing in a non-defining relative clause.
10Please try to understand ............... I say.
Wrong!
Use "what" to mean "the thing that" before a clause.
Done.
Score: 0/10
Answers
- Jack, who is my friend, is a good boy.
- Last year we visited Shimla, which is perhaps the best hill station in India.
- This is the house which I purchased from Peter.
- We bought some grapes from which we extracted juice.
- He lent me a mattress on which I slept soundly.
- I have a friend whose mother works at a bank.
- With whom were you exchanging pleasantries?
- We met a traveler whose bag was stolen.
- Air, which is present everywhere, is essential for the existence of life.
- Please try to understand what I say.

