[ Tenses ]
Last summer Phong (not volunteer) ______ to teach maths to street children.
A. doesn’t volunteer
B. don’t volunteer
C. haven’t volunteer
D. didn’t volunteer
Select your answer:

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Grammar › ViewThe cat __________ on the sofa all day.
A. sits
B. sit
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Tenses › View
Which tense is used to describe something that has not happened yet?
A. Present
B. Past
C. Future
