he wanted to know whether they could be an equally nutritious but more affordable alternative.这个句子的意思大概明白.1..2.还有就是对whether和but在这个句子中的理解.

He wanted to know the time______ he needed to know. He wanted to know when they back(come) he wanted to know when i （leave）for Shanghai He wanted to know what he's going to do at the meeting 哪里错了? He wanted to know how to help others和He wanted to know how to help others的区别如题 he wanted to know what he should buy for his parents 改为同义句 He wanted to know when the meeting would start. 是主谓宾结构吗?he wanted主谓,to know是什么成分? Has he left for Paris?His friend wanted to know.(合并)改成:His friend wanted to know () he () left for Paris. he wanted to know who to ask for help,同义句 The man wanted to know ( )he could get to the office.为什么不能填which way he wanted to know when to go有这种说法吗 从属连词填空The teacher wanted to know-----you went to school yesterday.Do you know ---son he is 直接引语变间接引语.'where were you born' 变成 They wanted to know ____我觉得是They wanted to know where you had borned.因为直接引语变间接引语过去时态变为过去完成时,但是书上的答案却是They wanted to know wh Mr.Smith wanted to know where he could get the information.保持句意不变Mr.Smith wanted to know ____ ______get the information Tom wanted to know where he could buy a pair of jeans cheaply.(改为简单句)Tom wanted to know ( )( )buy apair ofjeans cheaply. I wanted to know if he ___A.had come B.will come Mother wanted to know how much money he(?) on cellphones是had spent 还是spent he wanted to know when his sister would come back 为什么用would