Grammar Quiz

[ Grammar ]

Listen! I (think)————- someone (knock)———at the door

A. thinking – knocking

B. think – knock

C. think – is knocking

D. think – knocking

Select your answer:
A  B  C  D  E 


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Conjunctions, Interjections and DeterminersModals, Conditionals, and Clauses- Defining, Non-definingReported Speech and Reporting VerbsGrammar : Structural Common ErrorsVerb Patterns / IngGrammar TOEFLPreposition and Word FormPast Perfect Tense and Past TensePhrase vs ClauseGrammar - Connectors

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Although the alcohol level in beer ___ ranges from 4-7%, it can go as high as 15%.
a. usual
b. unusual
c. usually