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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Tenses › View

Which verb tense do we use to discuss habits and routines?

A. Present Simple

B. Present Perfect

C. Present Continuous

D. Present Perfect Continuous

Vocabulary and Grammar › View

The office is located next to a ______ and noisy construction site, which makes it hard to focus.

A. pricey

B. reliable

C. dusty

D. quiet

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