英语翻译（1）我们班有50人.（2）昨天我收到了朋友的来信 （3）我想多运动保持健康 （4）你应该跟父母多沟通 （5）他

1) We have 50 classes.(2) yesterday,I received a letter from a friend (3) I would like to maintain a healthy movement (4),you should communicate with their parents (5),he found a work of the engineers (5) I Intend to learn a foreign language