[ 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:
Grammar › ViewDuring a tornado you ___________ forget basic safety rules. You ____________ panic.You_____________ find a safe place like a corridor and wait until the tornado passes.
A. must, must, must
B. musn´t, musn´t , have to.
C. must, musn´t, haven´t to
Grammar › View
What is the adverb in the sentence?
Jackie went home early.
A. went
B. early
C. home
D. Jackie
We _______ 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
