102 câu trắc nghiệm Thì quá khứ tiếp diễn (Past Continuous) có đáp án

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Richard _ TV when the phone _.

86/102

Richard _______ TV when the phone _______.

watched / rang

was watching / was ringing

watched / was ringing

was watching / rang

Giải thích

Chọn đáp án: D