Let forms a compact but important group of phrasal verbs, several of which involve the idea of allowing, releasing, or disappointing. Definitions are provided in brackets throughout.
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Choose the correct preposition or particle to complete each of the following sentences.
1.They let him ________ easy. = They didn't punish him enough.
Correct answer: off — let off = not punish someone, or punish them leniently.
2.I was counting on your help, but you let me ________!
Correct answer: down — let down = disappoint someone.
3.The cat is scratching at the door. Could you please let him ________?
Correct answer: in — let in = allow to enter.
4.They let ________ ( = pretended) that nothing bad had happened.
Correct answer: on — let on = pretend or feign.
5.He's just letting ________ some steam. (= getting rid of accumulated emotion)
Correct answer: off — let off steam = release pent-up energy or emotion.
6.He let ________ a loud laugh.
Correct answer: out — let out = release or emit a sound.
7.The storm didn't let ________ ( = get weaker, stop) for three hours.
Correct answer: up — let up = decrease in intensity or stop.
8.She let me ________ on a little secret. = She shared a little secret with me.
Correct answer: in — let someone in on something = share a secret or piece of information with them.
9.Do you think they'll let us ________ (= let us finish work) early today?
Correct answer: off — let off = allow to leave or finish early.
10.Get your hands off me! = Let go ________ me!
Correct answer: of — let go of = release; stop holding.