Giải đề IELTS Writing Cambridge 21 Test 4 (Full 2 Tasks)
Cam 21 Test 4 Writing Task 1 Bài mẫu The pie chart illustrates the proportions of five types of library users, while the table displays their satisfaction levels across various services. Overall, full-time undergraduates were the largest user group of library users, whereas academic staff and distance learners were the














