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

Random Topics:
Perfect ModalsAcademic VocabularyGrammar for TOEFLPresent Perfect Simple & ContinuousFigurative Language VocabularyConjunctions, Prepositions and InterjectionsSimple Present TenseTime PhrasesUsed to & would & Past SimpleGrammar Comma UsageOther quiz:
Grammar › ViewShe is a good teacher; thus, I think you__________to ask her for some advice.
A. oughtn’t
B. must
C. have
D. ought
Future Tenses › View
I want a refund! I _________ leave until the manager returns!
A. am not going to
B. will not
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
