[ Modal Verbs ]
She ___ seen the sign. It was right in front of her!
A. couldn’t have
B. might not have
C. may have
D. must have

Random Topics:
Superlative & Comparative AdverbsAdverbs, Prefixes, and SuffixesTenses and QuestionsModal Verbs - ObligationVerbs - third personArgumentative VocabularyVerb and PrepositionModal Verb in Passive Voiceas...as, comparatives, superlativesSimple Past TenseOther quiz:
VOCAB & GRAMMAR › ViewAs soon as the race started, the Jamaican ___ first position.
A. has taken
B. took
C. had taken
D. has been taking
Tenses › View
The sail ____ smoothly during the race last weekend.
A. went
B. goes
C. is going
D. will go
Simple Past Tense › ViewHe passed his examination because he ……………………… very hard.
A. was studying
B. studies
C. studied
D. were studying
Grammar › View
I borrowed this bag from Jim. It is ________________ .
A. theirs
B. ours
C. hers
D. his
