1:theirs. their 是形容词性物主代词,后面要跟名词;theirs是名词性物主代词,等于形容词性物主代词+名词,后面不用跟名词,本题中的theirs=their erasers.
2:his. his既是形容词性物主代词,又是名词性物主代词.
如果楼主是七年级的话英语课本后面应该有一张表格专门讲这个的.
1:theirs. their 是形容词性物主代词,后面要跟名词;theirs是名词性物主代词,等于形容词性物主代词+名词,后面不用跟名词,本题中的theirs=their erasers.
2:his. his既是形容词性物主代词,又是名词性物主代词.
如果楼主是七年级的话英语课本后面应该有一张表格专门讲这个的.