[ Preposition of Time ]
They usually go to work … 8 o’clock.
A. on
B. in
C. at

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Grammar › ViewMy uncle wanted to cut down the old tree ______ my grandmother told him not to do it.
A. because
B. but
C. so
Adverbial Clauses › View
______ the car accident, I called the police.
A. Before
B. After
C. During