Câu hỏi: Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.
If you_______ the instructions carefully, you wouldn't have answered the wrong questions.
A. read
B. had read
C. reads
D. to read
If you_______ the instructions carefully, you wouldn't have answered the wrong questions.
A. read
B. had read
C. reads
D. to read
Kiến thức câu điều kiện lại 3
If S + had/ hadn't + Vp(2) + St, S + would/ could + have + ST
If S + had/ hadn't + Vp(2) + St, S + would/ could + have + ST
Đáp án B.