Bộ đề ôn thi vào 10 môn Tiếng anh năm 2023 - 2024 mới nhất- Practice 17

At a time when we have greater freedom to travel (17) ___________ ever before, more and more people are asking how they can enjoy their holidays without causing damage to their destinations.

16/40

At a time when we have greater freedom to travel (17) ___________ ever before, more and more people are asking how they can enjoy their holidays without causing damage to their destinations.

then

than

when

while

Giải thích

Chọn đáp án B