[ Grammar ]
Breathing is a mechanical process ____ fills the lungs with air.
A. when
B. where
C. which
D. whose
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Articles and NounsComparative AdverbsGrammar and VocabularyRelative PronounPossessive NounsModals and ResponsibilitiesPassive Voice, Question Tag, PrepositionsPersonal PronounsModals for DeductionConjunctions & InterjectionsOther quiz:
Reported Speech and Reported Questions › ViewMy boss says: “I can speak English”
A. He said he could speak English
B. He said she can speak English
C. He said he could English
Grammar › View
If you are not in the car by the time I start ________ the engine, I will leave without you.
A. at
B. in
C. up
D. on