《SAT & ACT短语及逗号用法只要一本就掌握》分为12个单元，21天。本书主要是帮助考生系统地学习在SAT/ACT写作问题中频繁出现的短语。在详细介绍每一个短语的意思之后，本书提供了练习题供考生练习，在熟悉短语后，考生可以使用本书提供的基本上等同于SAT和ACT真题水平的练习题去测试自己对于这些短语的掌握程度，同样掌握这些短语也可以帮助考生提高考试中的写作水平。

本书作者洪龙杓拥有10年以上教学及帮助学生申请美国大学的经验。

PRETEST

ANSWERS

UNIT 1

 DAY 1

 PART 1 BRIEFGRAMMARFORTOINFINITIVE&GERUND

 PART 2 PRACTICE

 PART 3ANSWERS

UNIT 2

 DAY 2

 PART 1 IDIOMS&EXPRESSIONS

 PART 2 BRIEFGRAMMARFORIDIOMS&EXPRESSIONS

 DAY 3

 PART 3 PRACTICEQUESTIONS

 PART 3ANSWERS

UNIT 3

 DAY 4

 PART 1 IDIOMS&EXPRESSIONS

 PART 2 BRIEFGRAMMARFORIDIOMS&EXPRESSIONS

 DAY 5

 PART 3 PRACTICEQUESTIONS

 PART 3ANSWERS

UNIT 4

 DAY 6

 PART 1 IDIOMS&EXPRESSIONS

 PART 2 BRIEFGRAMMARFORIDIOMS&EXPRESSIONS

 DAY 7

 PART 3 PRACTICEQUESTIONS

 PART 3ANSWERS

UNIT 5

 DAY 8

 PART 1 IDIOMS&EXPRESSIONS

 PART 2 BRIEFGRAMMARFORIDIOMS&EXPRESSIONS

 DAY 9

 PART 3 PRACTICEQUESTIONS

 PART 3ANSWERS

UNIT 6

 DAY 10

 PART 1 IDIOMS&EXPRESSIONS

 PART 2 BRIEFGRAMMARFORIDIOMS&EXPRESSIONS

 DAY 11

 PART 3 PRACTICEQUESTIONS

 PART 3ANSWERS

UNIT 7

 DAY 12

 PART 1 IDIOMS&EXPRESSIONS

 PART 2 BRIEFGRAMMARFORIDIOMS&EXPRESSIONS

 DAY 13

 PART 3 PRACTICEQUESTIONS

 PART 3ANSWERS

UNIT 8

 DAY 14

 PART 1 IDIOMS & EXPRESSIONS

 PART 2 BRIEF GRAMMAR FOR IDIOMS & EXPRESSIONS

 DAY 15

 PART 3 PRACTICE QUESTIONS

 PART 4 ANSWERS

UNIT 9

 DAY 16

 PART 1 IDIOMS & EXPRESSIONS

 PART 2 BRIEF GRAMMAR FOR IDIOMS & EXPRESSIONS

 DAY 17

 PART 3 PRACTICE QUESTIONS

 PART 4 ANSWERS

UNIT 10

 DAY 18

 PART 1 IDIOMS & EXPRESSIONS

 PART 2 BRIEF GRAMMAR FOR IDIOMS & EXPRESSIONS

 DAY 19

 PART 3 PRACTICE QUESTIONS

 PART 4 ANSWERS

UNIT 11

 DAY 20

 PART 1 IDIOMS & EXPRESSIONS

 PART 2 BRIEF GRAMMAR FOR IDIOMS & EXPRESSIONS

 PART 3 PRACTICE QUESTIONS

 PART 4 ANSWERS

UNIT 12

 DAY 21

 PART 1 IDIOMS & EXPRESSIONS

 PART 2 PRACTICE QUESTIONS

 PART 3 ANSWERS

REAL TESTS

 REAL TEST 1

 REAL TEST 2

 REAL TEST 3

 REAL TEST 4

 REAL TEST 5

 REAL TEST 6

 REAL TEST 7

 REAL TEST 1 ANSWERS

 REAL TEST 2 ANSWERS

 REAL TEST 3 ANSWERS

 REAL TEST 4 ANSWERS

 REAL TEST 5 ANSWERS

 REAL TEST 6 ANSWERS

 REAL TEST 7 ANSWERS

ALPHABETICAL ORDER OF 307 IDIOMS AND EXPRESSIONS