10 câu trắc nghiệm Thì tương lai hoàn thành tiếp diễn (Future Perfect Continuous) có đáp án

My mom ________ for two days by the time I see her.

1/10

My mom ________ for two days by the time I see her.

has been travelling

will have been travelling

will has been travelling

Giải thích

Chọn đáp án B