[ Modals with Perfect Infinitive ]
You ___ the door before leaving the house. Why didn’t you do that?
A. should have locked
B. must have locked
C. might have locked
D. may have locked

Random Topics:
Verbal and Appositive PhrasesV-ing/to-VIf- ConditionalDefinite, Indefinite and Zero ArticlesSynonymVerb Tenses and Past ParticiplesComparative - SuperlativeArticles A and AnAdjectivesWho or WhomOther quiz:
Past Tenses › ViewI _______ (was studying/studied) when my brother _______ (called/had called) me.
A. was studying, called
B. studied, had called
Tenses › View
Has she memorized the lyrics of the new song from Ariana Grande?
A. Simple Present Tense
B. Simple Past Tense
C. Present Perfect Tense
D. Future Tense of Be Going To
Present Tense › ViewWe _______ near the river when it started to rain.
A. am
B. is
C. are
Relative Pronoun › View
The girl … always help me is beautiful. The correct relative pronoun to complete the sentence is …
A. a. who
B. b. that
C. c. which
D. d. whom
