The girl is often heard ____ (to sing / singing )happily in her room.以及原因我认为是to sing 因为有often这类的 该怎么填

The girl wondered what he often ___(talk)about.原句：What does he often talk about?The girl wonderes. the girl often arrives late for scool(改为同意句)the girl often--- --shool--the girl often arrives late for scool(改为同意句）the girl often--- --school---/ the girl is often-- --school The girl often ___writing The girl behind _____(he)is Nancy. the girl who often helps me is my cousin翻译 He is often ___ in the davtime 对画线部分提问 The students are (under the tree).The little girl is talking to (her mother).He often goes to school (by bus) This is the girl with whom he works.This is the girl whom he works with . We are good friends.I often talk ________ him after class.He isn't playing _______ a computer now.The girl is showing her parents ________ her school. The poet often compates the girl he loves with a red rose翻译! he is a girl Do you know the girl _____?A.whom he often talk to B.to who he often talks C.to that he ofDo you know the girl _____?　　A． whom he often talk to　　　B． to who he often talks　　C． to that he often talks　　 D． he often talks to为 请问Do you know the girl who he often talks to 这句话对吗? he is talking with the girl----(call)mary. He is dating another girl on the side. 填空:The tall girl is very famous.She often () on填空:The tall girl is very famous.She often () on television. Mr Green is very g____.He often helps the poor. He is so a_______ that the often forgets things.