Luyện ngữ pháp - English Grammar in Use - Intermediate
Unit 38: If I do ... and If I did ...

STT	Tên task	Số câu hỏi
1	Grammar Explanations and Rules	1
2	Exercises - 38.1	7
3	Exercises - 38.2	9
4	Exercises - 38.3	6
5	Exercises - 38.4	5

Unit 37: Can/Could/Would you ... ? etc.

Unit 39:  If I knew... I wish I knew ...