用宾语从句合并句子答:1,Do,you,know,what,they,thought,of?2,Could,you,tell,me,if/whether,Mr,Brawn,lives,in,Room,302?3,I,wanted,to,know,if/whether,your,mother,goes,to,work,by,bike,or,on,foot.4,He,asked,what,they,needed.5,He,told,us,he,wouldn't,come.其中,2和3的连词if和whether都可以 6,...