He is going ____ for Shanghai on the next train.用leave的正确形式填空,并说出它在句子中的意思
1、I _______ my book at home yesterday.______ 2、She often ______ her kets in her office._______ 3、Please _____ the door open.It's hot here.______ 4、Sorry ,he is out at the moment.Can you ______ a message for him?_________