Level C1. 12 multiple-choice gap-fill questions. Exactly two questions have two correct answers.

Level: Advanced. Focus: confusing loanwords in English that are often misused or confused with similar-looking words.

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

Level C1. Topic: challenging impersonal passive in formal reporting and academic style. Choose the option that makes the sentence natural and grammatically correct.