/x-1/2/=2/4

xe 2 truong hop

x-1/2=2/4                                  x-1/2=-2/4

x=2/4+1/2                                   x=-2/4+1/2

x=1                                            x=0

vay x=1 hoac x=0

1.the boss was ..........He never helps the workers (kind)

2.the children are.........fond of this clown(especial)

3.Lam Truong is my...........singer(favor)

4.the manager sacked five..........(employ)

5.to our great ..........it rained on the day of the picnic (disappoint)

6.His parents have great ............for his future (expect)

7.i think the prices here are...........(reason)

8.the good in this shop were .............(displayed)on the shelves.

1.he died of cold and.........(hungry)

2.she is woman of considerable...........(cultural)

3.we decided to break with..........and not send any cards this Christmas(traditional)

4.their..............has lasted a lifetime (friend)

5."Do you understand the saying"....................is better than cure.(prevent)

6.they were filled with.............at the good news (joyful)

7......................on your new job (congratulate)

8.after three years in priso, he was finally............(freedom)

9.sports and games make our body...........(strengthen)

10.i can't stand the..............smell of bad fish (please)

1.He was an ........man. Therefore all of us were ......in talking to him (interest)

2.........you passed the exam successfully (congratulate)

3.Water is a.....liquid (color)

4.he turned off the.......... when hư went out of the house (electric)

5.The new law will become.........next month (effect)

6.the report stresses the ..........of eating plenty of fresh fruit and vegetables.(necessary)

7.we felt such a sense of........,up the hills alone (free)

8.you have to try to keep...........as you grow older (act)