[ Gerunds and Infinitives ]
I forget …………………. the door, but I’m sure I must’ve locked it.
A. locking
B. to lock
Select your answer:

Random Topics:
Suffixes (ing-ed) SentencesApostrophes and Quotation MarksMixed ConditionalsHow much or How many?Word FormationModal Verbs and Conjunctionswas wereObject PronounAdjective & AdverbModal Verbs and AdviceOther quiz:
Coordinating Conjunction › ViewWhich conjunction best fills in the blank? “Tina didn’t like bugs, ___ insects.
A. For
B. Nor
C. But
D. Yet
Present Tenses › View
It ……………….. very cold now.
A. is
B. are
C. is being
D. am
