Breathing is a mechanical process ____ fills the lungs with air.
A. when
B. where
C. which
D. whose

Random Topics:
Articles and NounsComparative AdverbsGrammar and VocabularyRelative PronounPossessive NounsModals and ResponsibilitiesPassive Voice, Question Tag, PrepositionsPersonal PronounsModals for DeductionConjunctions & InterjectionsOther quiz:
Grammar › ViewLet’s sit on ______ chairs here, next to the table.
A. those
B. these
C. that
D. this
Vocabulary › View
Which of the following is the best description of the Puritans?
A. A religious group who wanted to purify the Church of England. They came to America for religious freedom and settled Massachusetts Bay.
B. Religious revival in the colonies in 1730s and 1740s; George Whitefield and Jonathan Edwards preached a message of forgiveness for sins by admitting them to God.
C. Religious group in England and America–settling mainly in Pennsylvania–whose members believed all persons possessed the “inner light,” or the spirit of God; they were early proponents of the abolition of slavery and equal rights for women.
D. A government controlled by religious leaders
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
