Luyện ngữ pháp - English Grammar in Use - Intermediate
Unit 145:  Phrasal verbs (9) away/back

STT	Tên task	Số câu hỏi
1	Grammar Explanations and Rules	1
2	Exercises - 145.1	6
3	Exercises - 145.2	7
4	Exercises - 145.3	8
5	Exercises - 145.4	6

Unit 144:  Phrasal verbs (8) up

Appendix 1: Regular and irregular verbs