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

My grandma tried pizza for the first time while she _____ in Italy.

4/102

My grandma tried pizza for the first time while she _____ in Italy.

staying

is staying

is stayed

was staying

Giải thích

Chọn đáp án D