[ Grammar ]
John doesn’t know how_________the computer on.
A. to switch
B. switching
C. to switching
D. to have switched
Select your answer:
Random Topics:
Indefinite Pronoun Simple Future Tense Question Words Tenses - Present and PastConnectivesTenses (Present, Past, Future Forms)Sentence TypesLinkers and ConjunctionsPresent Simple for Future Arrangement
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Charly doesn’t have ___ pets.
a. some
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