Câu 1: A –… have registered for the summer courses A thousand students C thousands of students B thousand of st
Câu 1: A ……….. have registered for the summer courses A thousand students C thousands of students B thousand of students D thousands students Câu 2: Bells told people of (A) happy events, such as weddings and birthdays (B), or sometimes had to (C) announce unpleasant events (D) such as death Câu 3: – ” … Đọc tiếp