Level: Advanced. Focus: Confusing Acronyms and Abbreviations.
Exercises
Past Perfect Continuous Exercise
Level: B2. Focus: Past perfect continuous. Topic: ongoing past actions before another past moment.
Difficult Advanced Causative Structures Exercise
Level C1. 12 multiple-choice gap-fill questions. Exactly two questions have two correct answers.
Confusing Loanwords in English Exercise
Level: Advanced. Focus: confusing loanwords in English that are often misused or confused with similar-looking words.
Advanced Residual Subjunctive Forms Exercise
Level C2. 12 gap-fill questions. Exactly two questions have two correct options.