1.What your father's.........age.........?(Old)

2. Every thing gone worry since his...........arrival.........(arrive)

3. How many do you.....weigh......?(weight)

4.What's the.......depth.......of this river?(deep)

5.How......high........is monut everest?(height)

6.He used all his.......strength.......to lift the rock(strong)

7.What's the......longest......of this bridge?(long)

8.this coffee is too........hot........to drink(heat)

9.She broke the cup because she was very......carelessly.......(care)

10.I really don't think he has the......abillity......to do this jop(abble)

Chúc bạn học tốt!

a/ 6/5 < x < 28/8

=> 1 < x < 4

=> x thuộc { 2 ; 3}

Vậy x thuộc { 2 ; 3}

b/ x < 5/7 < y

=> x < 1; 0 < y

=> x = 0; y = 1

Vậy x = 0, y = 1