Bộ câu hỏi: Mạo từ (Phần 1) (Có đáp án)

It was such tricky question that no one in my class could answer it.

20/30

It was such ______ tricky question that no one in my class could answer it.

a

an

Ø (no article)

the

Giải thích

Chọn A