[ Irregular Verb ]
KimKhun has _______ for 12 hours each night since school closed.
A. sleeped
B. slepd
C. slept
D. sleep

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Gerund › ViewGio ________ during the film
A. sleeping
B. sleeps
C. slept
D. sleep
Grammar › View
The windows ___________.
A. are being cleaned
B. is been cleaned
C. are clean
D. are been cleaned