they were----when I got thereA ready to leave B ready for leaving C in the point to leave D about to leave 为什么

When they were I （like） these books very much.when were they（ bought）为什么可以这样填空?为什么是“when were they（ bought）”而不是“when did they bought? oh when they were young They were heard ____（sing）when I walked past.They were heard ____（sing）every morning. They were working when I got there.（对画线部分提问）对were working提问___________ ___________ they __________ when I got there? after they were born 和 when they were born They were doing their homework when I came in.改( 为否定句) They _ _ theirThey were doing their homework when I came in.改（ 为否定句） They _ _ their homework when I ___ in. i,were,telephone,supper,having,when,the,rang,they连词成句 急 急 急 谢谢! I didn't know when they （ ） for beijingA.leftB.leaveC.are leavingD.were leaving I entered the room when they were taking happy.这句子对吗, when I got to the park,they were playing ( )there 这里填happy的什么形式 they were doing their homework when I came in.对画线句子提问 ______ ______ ______ playing,were,they,childern,by,when,volleyball,passed,watching,their,I连词成句 如何翻译：when I went to the store,they were all out of oranges. They were about ( ) when I got thereA.STARTING B.STARTED C.TO START d.to starting when i got there,they were all at table的同义句 We were happy when they left. when was he bron 可以这样问撒?when was he bron 可以这样问别人吗?然后回答:He was bron.另外还可以说:when were you bron?I was bron.when were LiLi and FeFe bron They were .