11 - The floor is cleant every morning.
12 - The problem will be solved soon.
13 - The glass was broken into small pieces.
15 - These cars were made in the USA.
16 - The Internet has been used all over the world.
17 - Many trees were planted in the school garden.
18 - My book has been taken away.
19 - I wasn't helped with my homework.
20 - English has been learnt for three years.
21 - Books are often read by my father before bedtime.
22 - Some comic books were bought for her brother by Lan.
23 - A letter was received yesterday.
24 - The problem can be solved in just 2 minutes.
25 - Electricity was used for lightning nowadays.
