[ Grammar ]
I have a lot of ____ on the subject.
A. knowledge
B. knowledges

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Present ProgressiveConditional Sentences and Verb FormConditionals (0 - 1 - 2)Asking & Giving AttentionSentence Structure and Pronoun AntecedentModal VerbAdjective vs AdverbCan vs CouldPresent/Past/Past ParticplePast and Future TensesOther quiz:
Grammar › ViewThe cat ______ on the window sill.
A. is sleeping
B. sleeps
C. sleep
D. sleeping
Grammar › View
Select the adjective in the sentence.
Matthew came home from rugby with a filthy kit.
A. rugby
B. filthy
C. kit
D. came
Which of the following cities is not a national capital?
A. Prague
B. Shanghai
C. Moscow
D. Ottawa
E. Caracas
Grammar › View
She was too hot so she turned on the air conditioner. The verb “was” is what kind of verb?
A. Linking
B. Action
