He is writing to his friend.对friend提问?

He is writing to his cousin.对his cousin提问____ _____ is he writing? he is writing () his notebook. He is writing to his parents right now. He is writing to his friend.对friend提问? writing,his,to,he,is,now,friend连词成句 He is writing an inviting card.He wants to ____ his friends to come to his birthday party. He is writing ________.A.his girlfriend a letter B.a letter his girlfriend C.his girlfriend to a letter liuchang is writing to his e-pal. look he is （writing） a letter to hislook he is （writing） a letter to his mother这句话为什么添加ing,急, He is writing a letter to his mother on the paper对to his mother 进行提问 my brother is writing to his friend 对划线部分提问writing to his friend 填写单词：He is writing to his parents a____.Next to the hotel ___(be) two restaurants. 英语问题球咨询6.He is looking forward ___A____ his thesis.A.to write B.to writing C.in writing我想知道为什么这么选. He is writing a letter in his study. （否定） he is writing ___ his new pen .怎没填这个空? where is mike going?---_____.a.he's doing his homeworkb.he's writing a letterc.he's going to the libraryd.he's talking there His writing is so confusing that it’s difficult to make out it is he is trying to express.A.that选什么 Ben is writing to his parents.改为一般疑问句．