模 块 1 unit 1 lifestyles 一、语法专项训练用所给单词的正确形式完成下列句子。 1.remember to send me a photo of us next time you ________ (write) to me. 2.we____________ (prepare) for our final examination this week. 3.they won't buy new clothes because they ________ (save) money to buy a new house. 4.the plane ________ (leave) at 7:00 pm,so i have to be at the airport by 6:40 at the latest. 5.when he was alive,the old scientist used to say that knowledge ________ (come) from practice and he gained his experience by doing a lot of practical work.