1. I’m sure our school will be different in 20 years. 2. When I learn the exam result, I’ll send you a message. 3. He can’t live without his laptop. If he takes it with him to the summer camp, he will spend the whole month by the computer. 4. If my parents go to the theatre, I'll have to stay at home to look after my little brother. 5. I’m looking forward to meeting my English pen friend.