【多选题】票据丧失后,可以采用的补救措施有( )。
【单选题】— An Internet friend has asked me to meet him. — Oh, it's dangerous to meet him ______. [ ]
【单选题】It's dangerous to one's shoulder while driving.
【单选题】It's dangerous to walk alone ____ night.
【单选题】It's dangerous to climb the mountain.
【单选题】It's dangerous to let the children who are _____ go swimming in the river.
【单选题】— I left my keys in the room yesterday. I had to get in _____ the window. — It's dangerous to do that. [ ]