THE PROBLEM WAS SO COMPLICATED THAT THEY COULDN'T SOLVE IT IN A FE...

12. - Đề thi học kì 1 môn Tiếng Anh 11 năm 2020-2021 có đáp án - Trường THPT Phan Ngọc Hiển 12. - Đề thi học kì 1 môn Tiếng Anh 11 năm 2020-2021 có đáp án - Trường THPT Phan Ngọc Hiển
Tiếng Anh Đề thi học kì 1 môn Tiếng Anh 11 năm 2020-2021 có đáp án - Trường THPT Phan Ngọc Hiển
12. The problem was so complicated that they couldn't solve it in a few months. A. The problem wasn’t too complicated for them to solve in a few months. B. The problem was so complicated that they could solve in a few months. C. The problem was too complicated for them to solve in a few months. D. The problem was so complicated for them to solve in a few months.