英语提问：At the party,he gave a speech in which he thanked all the pupils.今天读书读到的句子,感觉这句话里in which的用法有些疑惑.in which应该引导定语从句,但前面先行词应该是地点名词,请老师朋友帮忙

He has his party at a restaurant.（对at arestaurant提问）英语作业,急 初一英语划线部分提问,he usually has the big party at home on his birthday.____________________________...(划线部分提问)_____ and_____ _____ he usually_____ the big party? He would like to draw at the party.对to draw提问 He want to dance at the party.(对划线部分提问) 划线部分是dance He usually has the big party at home on his birthday对划线部分提问at home on his birthday. He has a party (at home).就括号部分提问成（ ）（ ）he ( ) a party. 英语,超简单T-TI PERFORMED KUNG FU at the party.（对大写部分提问）_____ _____ _____ you _____ at the party? He said something at the party. （改否定句）He ---- ----- anything at the party. Tom can sing at the party.对sing提问 I arrive at the party at six o'CLOCK IN THE EVENING .对at the party 提问 I arrive at the party at six o'clock in the evening .对at the party 提问 Millie feels happy at the party.(对happy提问）____ ____Millie____at the party 英语 根据问题改写句子1.Alice had a good time at the party last weekend.（保持句意基本不变）Alice_____ ______ at the party last weekend.2.Henry had taught pphysics since he left university.(对划线部分提问)（题目上没有 the Blacks were（very happy ）at the party. 括号里提问? ____ _____ the Black at the party? he is at the office 对at the office提问 he enjoyed himself at the party同义句 he was at the party last night改否定句 did he enjoy himself at the party变同义句