[ Grammar ]
Oh, no! I forgot _____ the front door.
A. locking
B. to lock
C. lock
D. locked

Random Topics:
Grammar-Verbs & Nouns Singular, Plural, GenderGrammar Pronoun and Singular Plural NounGrammar - either...or, neither...norGerund NounPersonal PronounsPronouns ( Interrogative )Passive Voice with ModalsMixed GrammarHas Got & Have GotPast Simple or Past ContinuousOther quiz:
Present Perfect Tense › ViewWe …………………. Mary ……………. 2015.
A. haven’t seen / for
B. haven’t seen / since
C. hasn’t saw / since
D. didn’t see / for
Present Perfect › View
My friends ___________________ the homework.
A. has do
B. have do
C. has done
D. have done
