根据句意和首字母提示完成单词，使用了语法正确．意义通顺。请将答案写在题后相应的横线上。
（1）November is the e____ month of a year．
（2）Lakers will play a____  Rockets in the NBA match tonight．
（3）Lingling, Betty and I enjoyed o____at the party last night.
（4）Dragon Boat Festival is one of the Chinese t____  festivals．
（5）F____, the soldiers arrived at the village after a few days’ long walk.
（6）If there’s something wrong with your teeth，you’d better go to see a d____ .
（7）Many teenagers would like to s____ their photos or articles with others on the Internet.

成语“朝秦暮楚”有多种解释，如比喻立场不坚定。假如用在商业上，该成语可以从侧面反映中国古代①商人为获利而往来奔波 ②商业交通比较发达 ③长途贩运的商业现象 ④秦楚两地商业发达

夏天，把手伸进收获的小麦堆里，会感到热，其原因是（  ）

设$a,b$为实数，若复数$\frac{1+2i}{a+bi}=1+i$，则(         )