[ Modal Verbs ]
She __________ to send the email; I didn’t receive it.
A. may have forgotten
B. should have forgot
C. could have forgotten
D. must have forgot

Random Topics:
Passive Voice in Past Simple TenseRelative Clauses & Real ConditionalsWill, Be going to, Present ContinuousGrammar and PunctuationVerbals and GerundsModals and Present TensesRelative Clauses and UsagePresent SimpleConjunctions & InterjectionsTime PhrasesOther quiz:
Grammar › ViewWhich principal part is the underlined verb?
Kevin has lived in Kentucky all his life.
___
A. present
B. present participle (to be verb + -ing)
C. past
D. past participle (has/have/had + -ed or -d)
Phrasal Verb › View
Keep ____ the noise ,will you? I’m trying to sleep.
A. to
B. back
C. in
D. down
Grammar › ViewHow …………………Barbara and Caroline?
A. Is
B. Are
C. Be
D. Am
Grammar › View
Mai goes to school…….. a week
A. five time
B. fifth times
C. five times
D. five
