[ Grammar and Preposition ]
Which preposition is commonly used to indicate the time when something happens?
A. over
B. at
C. on
D. between

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Vocabulary › ViewA Beautiful Boy is a book, where the author tells his son’s addiction to heroin and crystal meth.
Heroin means:
A. His son did was a hero
B. His soon was a hero while addicted to crystal meth.
C. His son was addicted to narcotics
D. None of the above
Past Tense › View
He _______ happy with the result of the test.
A. weren’t
B. wasn’t
C. isn’t be
D. not be
Grammar › ViewChoose the correct answer for the gap:
How long ___________ this book?
A. have you used
B. have you been using
Grammar › View
First you need to add the flour to the bowl. ___________, add the salt and the baking soda.
A. For example
B. After that
C. Likewise
