[ 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:
Mixed General Quiz › ViewDid you know that swimming during the day was illegal in New South Wales ___ 1833 until 1903?
a. from
b. for
c. at
Comparative › View
It’s not always true that rich people donate ………. than poor people.
A. more slowly
B. more traditionally
C. more generously
D. more soundly
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
