What idioms are prepositional phrases?

[Jjau]

English Idioms and Expressions, Advanced Level

ESL/EFL Test #1 "English Animal Idioms", question 10

I would advise you to do that as well and in that way you'll kill two birds with one stone.

(a) get things done twice
(b) get something done two times
(c) get two things done at the same time
(d) get two things done twice

English Idioms and Expressions, Advanced Level

ESL/EFL Test #1 "English Animal Idioms", answer 10

I would advise you to do that as well and in that way you'll get two things done at the same time.

Correct answer: (c) get two things done at the same time
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what idioms are prepition phrases?

Jjau

[Mister Micawber]

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Many, many idioms are prepositional phrases... and vice versa.
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Native English teacher at Mister Micawber's