句首 为什么是come on 而不是coming on

句首 为什么是come on 而不是coming on they wish you to come here on time tonight为什么是wish而不是hope 为什么是i come here而不是 come to here Does he often come to see you on Sunday?为什么是come to see 而不是comes to see,comes to sees,come and to see ? The house stands alone on the hillside.句中的alone为什么是形容词而不是副词? Amy is sure__(come)here by plane 为什么是to come 而不是cAmy is sure__(come)here by plane为什么是to come 而不是come 为什么是on fifth avenue而不是on the fifth avenue 选词填空时为什么是 come close而不是 come closely,为什么不用副词? The book cost me 20 yuan (改为同义句)I ____20yuan_____the book.为什么是spend on而不是pay for? The book cost me 20 yuan (改为同义句)I ____20yuan_____the book.为什么是spend on而不是pay for? that's a big boring.come on 什么意思not tonight，为什么是not而不是no啊，tonight不是名词吗 为什么是in the basketball court而不是 on? go to shool on foot 为什么是foot而不是feet? 为什么是on Friday afternoon而不是in the Friday afternoon 为什么是by the light of the room而不是on SiO2和C在高温下反应,为什么是生成CO而不是CO2? They dreams have already come true 为什么是come 而不是came 后面不是说already（早已）了还有 为什么是have 而不是are it’s a fact that _______ people had to leave their hometown during the War on Iraq此句中为什么是 on Irag 而不是 in Irag?