Topic 3 The world has changed for the better
Section D Unit 1 The Changing World She has been a high school student for two years
My teacher has worked in the school since 2010
for + 时间段since + 时间点Present Perfect (III)You__________ (be) in New York for a long time
The city _____________(improve) a lot since I _________(come) here a few years ago
Since it _______(start) , it _____________ (help) hundreds of people return to work and live a normal life
Grammarhave beenhas improvedcamestartedhas helpedFunctions 1
Oh, you will _________ it very soon if you come
________________, it’s a wonderful place to live
You must ______________
Well, once they find people _______, they decide on suitable ways to help them
The program also ________ them ________job training so that they