Giải phương trình
1) |x - 3| = 2x -1

2) x² + 5( x + 2 )= x( x = 3)

IV. Put the verbs in brackets into the correct form or tense. (1pt)

1. When I went to their house, they (already/ leave).=> …………………………

2. That village (destroy) by a violent storm 5 years ago.=> …………………………………..

3. She (join) us if she has free time tomorrow.=> …………………………………….

4. The news program (begin) at 7.00 tonight.=> ………………………………………..

1. A. pollute                   B. poison             C. logical              D. contaminate

    2. A. medical              B. chemical           C. debris               D. serious