[ Modal Verbs ]
Which sentence contains an incorrect use of a modal verb?
A. You must respect your elders.
B. He can plays football.
C. They should study for the exam.
D. She may go to the library.

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Grammar › ViewThe English of Canada is similar to:
A. Australian and British English
B. French and American English
C. American and British English
D. Black and American English
Grammar › View
Select the correct word to fill in the blank.
We _____ not know why he is always absent.
A. do
B. does