ESL, Niveau avancé

Prepositional Phrases - In, On, Out and Under (26)

My son is currently ......... the instruction of a tutor for math. He has improved quite a bit since we hired the tutor.
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My friends wonder how I could have turned in another friend for fraud. I guess I did it ......... of a sense of responsibility to investors and society.
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I like plants, ......... general, but I don't like blackberry bushes, poison oak, or star thistles.
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The Bureau of Internal Affairs has had my department ......... the microscope for a whole week now. They are searching for any signs of wrongdoing or mistakes.
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Be ready for massive delays on Highway 299. Road construction is still ......... progress in four different places.
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Sir, the car ......... question was a late model green Toyota. I'll get the word out to the other officers to be watching for it.
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We tried to hold our relationship together but we have fallen ......... of love with each other. We made it another year and finally called it quits.
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I am not sorry the boss resigned in disgrace. He has had me ......... his thumb for years and has been a real tyrant about it.
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Birds are impressive creatures. I saw one swoop down and catch a fish ......... mid-air yesterday.
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After five years of patiently waiting, I finally got the promotion. I felt like I was walking ......... air the entire day.
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