[ Grammar ]
Don’t forget ________ the door before going to bed.
A. to lock
B. lock
C. locking
D. locked

Random Topics:
Passive SentencesAdjectives and DegreesSimple Future - Passive-ing &-ed AdjectivesPhrasal Verb With TakeDegrees of ComparisonLinking VerbComparison of Adjective and AdverbComparativeTime ConjunctionsOther quiz:
Vocabulary › ViewPlease be quiet! The ______________ noise will wake the baby.
A. definite
B. slightest
C. timeless
Grammar › View
What is the function of the pronoun?
We finally decided to give the houseplant to (they, them).
A. subject
B. indirect object
C. direct object
D. object of a preposition
