Luyện ngữ pháp - Destination B1 (Unit 4: Grammar - Present perfect simple, present perfect continuous)



STTTên taskSố câu hỏi
1
1
2
1
3
8
4
8
5
7
6
10
7
7
8
7


Review 1: Units 1, 2 and 3Unit 5: Grammar - Past perfect simple, past perfect continuous