[ Simple Past vs Past Continuous Tense ]
When you called yesterday at 8:00, I ———- the floor.
A. mopped
B. mop
C. was mopping
D. were mopping
Select your answer:

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Grammar › ViewAgatha Christie, ______ books are world famous, was born in 1890.
A. that
B. where
C. whose
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opposite of grief
A. joy
B. cowardice
C. obedience
D. harshness
