The test is not_________

as difficult as it was last month.so difficult as it was last monthmore difficult as it was last month.Both A & B are correctHướng dẫn giải:

Cấu trúc câu phủ định câu so sánh ngang bằng: S+ tobe+ not+ as/so+adj+as+ S2

Dịch: Bài kiểm tra hôm nay không khó bằng bài kiểm tra tháng trước