1.Many teenagers now prefer chatting on the computer to meeting face to face
2.What happened by the time you finished your homework yesterday?
3.If we teach our children about the importance,they'll become more aware of saving the energy
4.There are eight planets that move around the Sun and our solar system
5.He said that they were doing experiments then
Đánh giá 5 sao+câu tl hay nhất giúp mk nha
