Grammar Quiz
[ Grammar ]

Burning yard waste releases mold spores, soot, and other contaminants that can aggravate allergies and cause ____ problems.

A. respirator

B. respiration

C. respiratory

D. respired

Select your answer:
A  B  C  D  E 


Random Topics:

Clauses and GerundsSimple Future - WillModal AuxiliaryCorrelative ConjunctionAdjective ending with ED & INGAsking & Giving OpinionPast and Perfect TensesPresent, Past, and Future TimeZero ConditionalSimple Past Continuos

Other quiz:

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She _______ her homework when the phone rang?

A. is doing

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Andy ______ to go to the cinema tonight.

A. will

B. shall

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My mother and father ___________ to Australia.

A. have never been

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He is …….. intelligent, ……… very funny.

A. not only….but also

B. either……or

C. neither…..nor

D. both…..and

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