以下是我英语做错的题目，谁能帮我讲解一下：１.The little boy can not tell_____.A.whose is that watch B.whose that watch is C.whose watch is that D.whose watch is2.I ____ to speak to you all these days.A.wanted B.have wanted all want all be wanting3.A burning cigarette he threw into the wastepaper basket_____fire to the hotel. de t used ught4."Do you hear someone knocking at the door?""Yes,I did.I heard him _____three times." ingknockingock5.The service in this restaurant is very poor; there are not enough waiters to wait_____ customers.A.on r C.with 答案：ＢＢＢＤＡ哪位高手能替我解释一下：为什么要选这个（答案），其他选项有什么错误？谢谢！
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1.要选择的是一个tell所带的宾语从句,从句要用陈述语序,故选B。也可以说whosewatchitis。2.句子的状语是allthesedays,表示“我”的这种心态从过去一直延续到现在。这是现在完成时的典型特点。3.本题考查固定搭配。setfireto为固定短语,意思为“故意纵火”或“意外使某物起火”。其他动词没有跟to搭配的用法。4.“我已经听他敲了三次门了。”hear为感官动词,后常有三种宾补形式,即