Question:
What ___________ when I phoned yesterday?
-
A.
were you doing -
B.
do you do -
C.
did you do -
D.
did you do
Reference explanation:
Correct answer: A
Knowledge: The coordination is
Explain: S + V (past continuous) when S + V (past simple)
=> The action in progress is divided into the past continuous, the action is shorter/interleaved with the simple past tense
Translated: What were you doing when I called you last night
Choose A.
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