WRITING: Task 1. Circle the letter A, B, C or D to indicate the sentence which is the most correctCâu hỏi Language experts/ recommend/ textbook/ cover/ various/ language skills A. Language experts recommended textbook which covers various language skills B. Language experts recommended the textbook which covers various language skills. C. Language experts recommended textbook which cover various language skills. D. Language experts recommended the textbook who covers various language skills.