John doesn’t know how_________the computer on.
A. to switch
C. to switching
D. to have switched
Home vs. House Adjective Order TimeRegular and Irregular VerbsZero ConditionalWho or WhomAdjectives vs AdverbsInfinitives and ING FormsPersonal Pronouns
Other quiz: Grammar
All that glitters are not gold.
A. All that glitters is not gold.
B. All that glitter is not gold.
C. Anything that glitter are not gold.
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