1.It takes Nam three hours doing his home work every day.

=> It takes Nam three hours to do his home work every day.

2.How many does it cost to send this letter to China?

=> How much does it cost to send this letter to China?

He often eats a lot of fruit

Mr and Mrs thanh want some sugar

At present they are travelling in Europe

What/she/like/would/breakfast/?

=> What would she like for breakfast?

you/practise/table tennis/How often/do/playing/?

=> How often do you practise playing table tennis?

My friend/oval face/has/and/straight nose./a/an

=> My friend has an oval face and a straight nose.

My favourite subject is English

I like English the most.

Are there many flowers in your garden?

Does your garden have many flowers.

a, = 75 ( 89 + 2) + 25 x 27 

= 3 x 25 x 91 + 25 x 27

= 25 x 273 + 25 x 27

= 25 x (273 + 27)

= 25 x 300

= 7500

b) tương tự

1.It was a green shirt with white flowers.....it.(in,on, at)

She ______ her eyes and felt like a bird in the sky.

=> She closed her eyes and felt like a bird in the sky.

He always gets up at _ _ _ _ past five.

=> He always gets up at half past five.

kawaii

Some student have_________CD players.

=>

Some student have portable CD players.