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

We _______ in line at the amusement park when it started to rain.

59/102

We _______ in line at the amusement park when it started to rain.

were standing

stood

have been standing

Giải thích

Chọn đáp án: A