[ Can, Could, May, Might ]
I am very tired because I ________sleep last night.
A. can
B. can’t
C. could
D. couldn’t

Random Topics:
Grammar and ReadingPassivisationGrammar - First ConditionalGrammar & ReadingAdverbPossessive Adjectives & Possessive PronounsTimePresent Tenses and ConnectorsAdverbs of frequencyPresent Simple for Future ArrangementOther quiz:
Adverbial Clauses › ViewI’m sorry about the delay, but I will be back ______.
A. after I had checked this
B. as soon as I have checked this
C. while I was checking this
D. when I checked this
Modals of Prediction › View
I am very certain. He ______________ accept the job offer.
A. might not
B. probably won’t
C. definitely won’t
Gerunds and Infinitives › ViewI don’t remember _____ the letter. My memory is not what it used to.
A. to post
B. posting
Vocabulary and Grammar › View
She went to college to study history, but changed ________ and is now a doctor
A. horses in midstream
B. for a better
C. her tune
D. hands
