In one year rats eat 40 to 50 times ___ weight. A. its B. his C. their D. theirs 为什么不选D
One of the properties of light is ___ traveling in wave form as it goes from one place to another. 为什么填its不填it
Mother would not let Marry and ___ attend the hockey game 为什么用me 不用I
NO.1：theirs是名词性物主代词，相当于名词，因此后面不能直接加名词，their是形容词性物主代词，相当于形容词，可以直接接weight。
NO.2：traveling in wave form as it goes from one place to another整个可以看成一个名词短语，因此类似于NO.1，用its
NO.3：这句话mother是主语，Marry and me在剧中做宾语成分，因此I要用宾格形势me
NO.2：traveling in wave form as it goes from one place to another整个可以看成一个名词短语，因此类似于NO.1，用its
NO.3：这句话mother是主语，Marry and me在剧中做宾语成分，因此I要用宾格形势me
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