Luyện ngữ pháp - Destination B1
Unit 41: Grammar - The causative

STT	Tên task	Số câu hỏi
1	Form - The causative	1
2	Exercise - A	10
3	Exercise - B	6
4	Exercise - C	7
5	Exercise - D	5
6	Exercise - E	7

Unit 40: Grammar - Connectives

Unit 42: Vocabulary - Problems and solutions