We must boil the water first.的否定句

We must boil the water first.的否定句 We must boil the water first.改为否定句 We must boil the water.（改为一般疑问句） 解析这句话,并翻译.You boil the water first. You boil the water first.(划线部分提问） We must water the flowers every day. we must get up early ,or we will miss the first bus.（同义句转换） The water is _________ (boil) now . It can heat the water boil in 90 seconds.请说明这里的heat与boil的用法. 按要求改写句子1.We must (keep the library quiet).否定句：一般疑问句：对划括号的提问： we must try to take more water with us的同义句是什么we must take __ you must finish your homework first.否定句