[ Modal Verbs ]
I _______ forgotten to lock the door; I’ll go back and check.
A. shouldn’t have
B. must have
C. would have
D. should have

Random Topics:
IELTS GrammarRelative Clauses PronounsIn/On/At + TimeTOEFLAdverbial PhrasesVocabulary Spelling GrammarComparatives and SuperlativesPresent Tense (Negatives and Questions)Conjunctions, Interjections and Sentence TypeIntermediate PrepositionsOther quiz:
Vocabulary › Viewto entice, tempt; to be attractive to; (n.) a strong attraction; the power to attract, charm
A. Allure
B. Profess
C. Lamentable
Grammar › View
James …………………………………… basketball five times a week when he was younger .
A. used to play
B. was playing
C. plays
Grammar › ViewLily wants to go to a restaurant __________________.
A. A. to have dinner
B. B. to has dinner
C. C. having dinner
D. D. in have dinner
Grammar › View
It is always interesting ——- people in airports while you’re waiting for a flight
A. being observed
B. observe
C. to have observed
D. to observe
