BÀI 2'
1./be /necessary /you /practice English /every day
2.Compost /can /made /household /garden waste
3.Flight 710/ Chicago /take off /ten /minutes
4.I couldn't sleep.I was tired
Although
5.The planet is Venus.The planet is closest to the Earth
The planet which
6.They have just sent an ambulance to the school
An ambulance
7.''There are flights from Nha Trang to Ha Noi twice a week''they said to me
They told me
8.''Don't interrupt me while I am speaking.''Nam said to Hoa
Nam told Hoa not 
9.This is the dictionary.I bought it at that bookstore yesterday
This is
10.They /no /meet /each other /recently
11.If /I /you /,/I /plant /vegetables /in the garden
12.Where /you /when /the /earthquake /began /yesterday /?/
13.English /speak /people /many countries around the world
14.I /am /interested /learn /English