I.. Viết lại câu giữ nguyên nghĩa
1. I spent the whole morning reading about global warning
=> It took me
2. They can solve the problem of hunger with the help of internet
=> The problem of
II. Điền giới từ ( giải thích )
Pollution is just one ff the disadvantages ...living in the town
So many people moved to the city ... bettter living conditions
Future safety system will prevent cars .... crashing and trafic jams
..... the help of technology, we can design a big machines
They haven't found any solution ... the shortage of food and shelter
3. Sửa lõi sai
I hope the next bus will be more crowded than this one,so we can get on