[ Grammar ]
I _________ who did this this.
A. knows
B. knowing
C. know
D. knew

Random Topics:
Identifying TensesTenses and Sentence CompletionAdjectives vs AdverbsReported Speech and Reporting VerbsTransitional Phrases and ConjunctionsGrammar Comma UsageModal ProbabilitySimple, Compound, Complex SentencesTime ExpressionsPrepositions after Verbs and AdjectiveOther quiz:
Grammar › ViewI can’t believe Adam! ______ did he come to see me when he was town.
A. Not once
B. Not only
C. In no way
D. Neither
Vocabulary › View
ROVE: He couldn’t stop roving.
A. Getting drunk
B. Traveling around
C. Making a musical sound through closed lips
D. Working hard
Martin and Jose are working late _________.
A. this week
B. every month
C. two days ago
Perfect Verb Tenses › View
Identify the perfect tense in the following sentence: “She had already left when I called.”
A. Present Perfect
B. Past Perfect
C. Future Perfect
D. Simple Past
