A. in
Đáp án B
“methods of…”: cách thức … gì đó
We use modern methods of teaching and learning: Chúng tôi sử dụng cách dạy và học hiện đại
Scientists are unsure of the reason for this (70)_______ on the global scale either.
In this way, we can put you in a (59)_________ at the most suitable level.
The trains which go through the Chunnel can travel at up to 300km/h due to the(31)_________ electrical system.
At 23 he move to Atlanta and took (52) _________ odd jobs as he started working on his stage career.