Change the following sentenses into the passive voice

1.Mozza wrote more than 600 pieces of music

2.They performed Christmas songs for people in town

3.Santa Claus gave children presents on Christmas Eve

4.My father decorated the Christmas tree with colored lights

5.Miss Thanh taught me to draw  the Christmas cards

6.Ba invited Liz to the rice-cooking festival

7.They held the festival in the communal house yard

8.The council leader awarded the first prize to the Mekong team

9.Minh did these exercises carefully

10.I got his letter this morning

Tính

\(\dfrac{x}{2}+\dfrac{x}{6}+\dfrac{3x}{2}\)

Thực hiện phép nhân 2 đơn thức

a)\(2xy^3.x^2\) và \(x^2y.zy\)

b)\(3^2x.2zy.x^2y^2\) và \(z^2.\dfrac{1}{3}y^2.xy\)

Tìm giá trị nhỏ nhất của các biểu thức sau

a)A=^{_{\(^{2x^2}+45\)}}

b)B=5(x-4)^2-12

c)C=(a-1)^2+(b+2)^2+5

d)D=(x^2+3)^2+1

The air here/too/polluted/us/breathe

A.The air here is too polluted for us to breathing

B.The air here are too polluted for us to breathe

C.The air here is too polluted for us to breathe

D.The air here is too polluted for us breathe