预测未来，语法一般将来时。

G8BUint1 Will people have robots? sectionA2a-grammar
Listen and circle the words you hear.              
1. There will be more / less / fewer people.
2. There will be more / less / fewer free time.
3. There will be more / less / fewer  cars.
4. There will be more / less / fewer pollution.
5. There will be more / less / fewer  trees.
2b Listen again. Check (√) the predictions you hear.
1. There will be fewer people.
       2.  There will be less free time.
       3.  People will use subways less.
       4.  There will be more pollution.