[ Tenses ]
He ___ his keys while he was closing the office and locking the door.
A. forgot
B. forgets
C. forgetting
D. has forgotten

Random Topics:
To infinitive - GerundMesopotamia VocabularyTransition WordsDependent PrepositionMuch, many, a lot of, a few, a littleExclamationPhrase or ClausePresent Simple or Present ContinuousMixed TensesPast Perfect TensesOther quiz:
Grammar › ViewCan you ______ some eggs at the grocery store?
A. tell your father get
B. ask your father to get
C. make your father to get
Tenses of Verbs › View
Choose the simple form to complete each sentence.
The monkey ________ all the bananas.
A. was eating
B. had eaten
C. ate
Tenses › ViewHe should’ve been a soldier but he was failed
A. Past Future Perfect Tense
B. Past Perfect Continuous Tense
C. Future Perfect Tense
D. Future Perfect Continuous Tense
Grammar › View
‘ a haunted house in Connecticut?’ ‘No, I think she had one in California.’
A. Did Ms Winchester use to own
B. Would Ms Winchester own
C. Did Ms Winchester get used to owning
D. Is Ms Winchester used to owning
