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SOMEONE _________ AT THE DOOR
SOMEONE _________ AT THE DOOR
Unit 1: HOME LIFE
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Đáp án tham khảo
30. Listen! Someone _________ at the door. I _________ it.
A. is knocking / will open B. are knocking / will open
C. knocks / open D. have knocked / open
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30.
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Unit 1: HOME LIFE