UNIT 1 I laughed till I cried
UNIT 2 I saw a terrible movie
UNIT 3 Have you ever done a part time job?
UNIT 4 I've tried all the means of transportation.
UNIT 5 It's time to change.
TEST 1 （UNITS 1-5）
UNIT 6 Tell me when the pain started.
UNIT 7 So much to do before we travel!
UNIT 8 If you want to talk, you can go online.
UNIT 9 Everything is made in China!
UNIT 10 Why was it built?
TEST 2 （UNITS 6-10）
KEYS TO EXERCISES
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