You should go over your test paper. You shouldn’t hand it in until then.

44/120

Only after you have gone over your test paper should you hand it in.

Were you to go over your test paper, you would hand it in.

Hardly had you handed in your test paper when you went over it.

Not until you have handed in your test paper should you go over it.

Giải thích

Đáp án A

Hướng dẫn giải

Cấu trúc đảo ngữ trong câu này là: “Only after” + hành động (go over the test paper) + should + chủ ngữ (you) + động từ (hand it in).