1) We need to know ______ or not you’ll be attending the meeting. a) if b) whether c) both are correct 2) Do you know ______ John is coming to the party? a) if b) whether c) both are correct 3) His final grade depends on ______ he submits the assignment on time. a) if b) whether c) both are correct 4) ______ we don’t leave now, we’ll miss our train. a) if b) whether c) both are correct 5) I didn’t know ______ to call him. a) if b) whether c) both are correct 6) I wasn’t sure ______ to walk or take the bus. a) if b) whether c) both are correct 7) I asked her ______ she was hungry. a) if b) whether c) both are correct 8) ______ or not you decide to accept the offer is of little concern to me. a) If b) Whether c) Both are correct 9) We were arguing about ______ we should let our son attend the party. a) if b) whether c) both are correct 10) I’ll leave work early ______ my boss allows it. a) if b) whether c) both are correct 11) She asked me ______ I was working. a) if b) whether c) both are correct 12) They aren’t sure ______ or not it will rain tomorrow. a) if b) whether c) both are correct 13) Have you decided ______ to buy a bicycle or a car? a) if b) whether c) both are correct 14) __________ you agree or not, this is our plan. a) if b) whether c) both are correct 15) Please let the front desk know _________ you need extra towels. a) if b) whether c) both are correct 16) Do you know _________ he took the blue one or the white one? a) if b) whether c) both are correct 17) I wonder _________ Tom will come to the party. a) if b) whether c) both are correct 18) ______________, he’s the boss, and you need to speak with him. a) If you like him or not b) If you like him c) Whether you like him d) Whether you like him or not

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