he want into his room _________ the light and began to worka has turned on b turned offc turned on

C 打开（灯）
根据began可知是一般过去时,另外,我认为前面的want　应该是 went
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请点击本页面中的“选为满意回答”按钮,how much _____ the pair of shoes?twenty dollars ______ enough?a is ,isb is ,arec are,isdare,areApair 是三单，故用istwenty dollars 作为一个整体，谓语动词用单数，即is