171. You should put down your jacket, otherwise both of you will have a quarrel. That will make things worse. The underlined part probably means _____.
I have almost forgotten ________.
Do you have any idea ________
Last Sunday he made a promise ________ he was free he would take me to Qingdao.
Last Sunday he promised ________ today, but he hasn't appeared yet.
At that time I had no idea ________ I could hand it to him without being seen.