[ 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:
Random Topics:
Simple Past - Irregular VerbsGrammar - QuantiflierTenses and VoiceAdjectives & PrepositionFirst Conditional SentenceModal and Modal PerfectConditionals 1,2,3Verb Present Simple TenseVerbs and Subject Verb AgreementOther quiz:
Grammar › ViewWhat is the verb mood of the following sentence: Go to your room.
A. subjunctive
B. emphatic
C. indicative
D. imperative
Third Conditional › View
Which of the following is NOT a third conditional sentence?
A. If we had left earlier, we wouldn’t have missed the train.
B. If I had gone to bed early, I wouldn’t have been tired.
C. If I had time, I would help you.
D. If you had told me, I could have helped you.