Though a typhoon is on the way,people are still looking forward the outdoor conc

Though a typhoon is on the way,people are still looking forward ____ the outdoor

    concert by the pop singer.?

    A.to canceling            B.not to canceling?

    C.not to cancel              D.to not canceling?

试题答案

D?

解析:

  考查非谓语动词。look forward to中的to为介词，因此后面要用动词的现在分词形式；分词的否定式是在分词前面直接加not。