Luyện ngữ pháp - Destination B1
Unit 23: Grammar - Questions, question tags, indirect questions

STT	Tên task	Số câu hỏi
1	Form - Questions	1
2	Form - Questions tags	1
3	Form - Indirect questions	1
4	Exercise - A	8
5	Exercise - B	9
6	Exercise - C	10
7	Exercise - D	8
8	Exercise - E	5
9	Exercise - F	5

Unit 22: Grammar - Modals 3: the modal perfect

Unit 24: Vocabulary - People and daily life