Grammar Quiz

[ Grammar ]

John doesn’t know how_________the computer on.

A. to switch

B. switching

C. to switching

D. to have switched

Select your answer:
         


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Relative Pronouns › View

The salad __________ she bought at the market was very fresh.

A. that

B. where

C. who

D. whose


Tenses › View

I _______ Spanish since I was in high school.

A. was studying

B. have studied

C. study

D. studied


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