Though i have often heard this song( ),i have never heard you ( ) it.A.being sung;sang Bsang;singing C.sung;sing D.to be sung;to sing

Though I often envy people without aspiration,I still have the spine.是什么 Though i have often heard this song( ),i have never heard you ( ) it.A.being sung;sang Bsang;singing C.sung;sing D.to be sung;to sing Though I'm tired.I have to finish the work 高中英语求救Though i have often heard this song( ),i have never heard you ( ) it.A.being sung;sThough i have often heard this song( ),i have never heard you ( ) it.A.being sung;sang Bsang;singing C.sung;sing D.to be sung;to sing第二空!hear s （ ）Though I have often heard this song ,I have never heard you it.A.being sung,sang B.sang,singing C.sung,sing D.to be sung,to sing 为什么? Though time flied,i have been missed you alltime even though I always have to be with I often have them什么 lunch I often have n_____ for breakfast. i often have dinner with _____.(their) We often have to stay up for our study though we to ——（told) to have enough sleep. I have a twin sister.She often w___ the same clothes as i d----- and she even gets thesame h____ .iwant to be d____.i want to have my o___clothes and haircut .Last week ,mother b ___ us the same clothes.though they’re in s___ and o___.i don't like I often go ( ) after school and then I have dinner Though love a person need not have,but I just want to have been having. 请帮忙翻译Quite often we have to play host to them though it's their home ground. We are the best friends,____we often have some different ideas A because B but C and D though Though people have often laughed at stories told by seamen.这里的by是不是有种特指的意思 though people have often laughed at stories tlod by seamen.这个句子的成分是什么.还可以可以改句