【题目】根据中文提示补全句子。
【1】In winter, I like______ ______ ______(堆雪人)with my friends.
【2】December is______ cold______ (太……而不能……)swim in Harbin.
【3】The school______ ______ (开放日)will be on February 20th.
【4】Xiaoling______ ______ (计划)go on a picnic next Sunday.
【5】Don't worry. I know a______ ______ (捷径).
【6】Let's meet at the______ of the______(超市大门).
【7】You can leave for Hong Kong______ ______ (乘坐地铁).
【8】______ ______ (安全第一). Don't forget.
【9】This is my______ ______ (第一次旅行)to Beijing.
【10】______ ______ (小心). The knife is so sharp.