Level C2. Topic: advanced deduction and speculation. 12 multiple-choice gap-fill sentences. Exactly two questions have two correct options.

Level C1. 12 gap-fill questions. Exactly 3 options per question. Exactly 2 questions have two correct options.

Level C2. 12 gap-fill questions. 3 options each. Exactly 2 questions have two correct options.

Level C2. Exactly 12 gap-fill sentences, each with one blank. Exactly two questions have two correct options.

Level C1. Choose between past simple, past continuous, past perfect, and used to or would where the narrative context makes one choice uniquely natural.