1 He is a stamps l______(爱好者),so he enjoys collecting stamps at his free time. 2 Fish is her f_____(最喜欢的)food. 3 Chirstmas is very popular in China, e______(尤其是)for young people. 4 You should pay for the b_____(账单) 5 Don't f_____(忘记)to close the windows after you leave here. 6 Which is the most conveinent t_______ (交通工具)now? 7 I s_____(求助)a little girl last week.