in his letter,he said that he missed us very much这个句子,的选项,有missed 和has missed,答案是missed,大家能帮我分析一下为什么选missed呢,

He is writing a letter in his study. （否定） he often ( ) a letter （ )his pen pal in australia.填词 In his letter,he said that he___us very much(miss) He said he become____in physics(interest) He runs into his room,__ (拿着) a letter in his hand . In his letter,he said he__(be)back by train in two days.过去将来时 介词填空：( )his letter I konw he is studying English in the English corner before lunch the letter in his office quickly he read组成句子（排列语序） he usually do his homework and write letter in the evening改错 He ran into the classroom,___a letter in his hand.(拿着） 排词成句.Before lunch/the letter/in his office/quickly/he/read. He says notthing in his letter.对notthing提问 怎么改rt he sent his greeting to us in the letter.greeting为什么要加ing He gave his g___ to all of us in the letter in his letter was his promise that he would spend the Christmas Eve with me为什么用that? 1.Listen!Who ___(sing) in the room.2.He usully ___ (write) a letter when he misses his family. He say（ he swants to visit Beijing in his letter ）对划线部分提问 （）（）he ()in his letter康康认识她么?用英语怎么说 He is writing ________.A.his girlfriend a letter B.a letter his girlfriend C.his girlfriend to a letter in his letter,he told me that he____in a small town of IndiaAlives Blived Chas lived Dhad lived