Test incompl/inter-263, Question 6

English Language Tests, Intermediate level

ESL/EFL Test #263 [color=blue]“Irregular Verbs Test (11)”, question 6

I for 12 hours yesterday. I was exhausted!

(a) sleeps
(b) sleeping
© slept

English Language Tests, Intermediate level

ESL/EFL Test #263 [color=blue]“Irregular Verbs Test (11)”, answer 6

I slept for 12 hours yesterday. I was exhausted!

Correct answer: © slept
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The sleeping happened yesterday ergo we have to use simple past tense.
3 forms are: sleep, slept, slept