12. Insert the prepositions in the right place. behind, with, in, for, for, at
1. I cannot agree____you in this situation
2. She is waiting___the arrival of the postman
3. Please wait____ the white line.
4. He reached the airport____3p.m.
5. Yeah! We're just____time tot catch the train
6. I bought the bag ______$100.
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