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

Random Topics:
The Structural Types of SentencesProgressive TenseConditional Type 1Passive and Active SentencesPrepositions and AdverbsQuantifiers with NounsGerunds in SentencesGrammar ErrorsConjunctions - Conjunctive AdverbsReporting VerbsOther quiz:
Tenses › ViewThe biology professor ____ a lecture on genetics every Monday.
A. gives
B. gave
C. is giving
D. will give
Grammar › View
Which is correct?
A. VSO is convening a sub-committee to form a working group to scope an initial response to the proposition of drafting a position paper.
B. VSO are convening a sub-committee to form a working group to scope an initial response to the proposition of drafting a position paper.
