Tìm số nguyên n biết

3n-5 chia hết n-2

Tìm các số nguyên x biết

a)4x-15=-75-x

b)72-3x=5x+8

c)3/x-7/=21

d)-7/x+3/=-49

-17/a/=-85

Tìm số nguyên a

She is very cared,so she always helps her mother do the housework

My friend has a short brown hair and an oval face 

Find and correct mistakes

The...(long) of the experiment is 20 minutes

My aunt works as a...(chemistry) at a university

I think Jane is very...(sense).She is easily hurt by the small things

A trip to Fansipan is an...(forget)experience

For the more ...(adventure) tourists,there are trips into the mountains with a local guide

Who looked after children fo you?

Take off your shoes 

You must keep dog out side the shops

Someone has looked this door

Change these sentences into passive form 
People don't make children work hard

Someone should look into the matter

He wants someone to take some photographs 

She will have Peter wash her car tomorrow 

They shouldn't have told him

Change these sentences into passive form 

1.I would like you to invite her to the party 

2.They have her tell the story again

She will ask her brother to fix her bike

Change these sentences into passive form

They began to build the house last year