don't worry .tom has got a lot of food .you can share some of [ ]a his b him .

don't worry .tom has got a lot of food .you can share some of [ ]
a his b him .

选his,这是个名词性物主代词“他的”,his = his food,这个名词性物主代词作了介词of的宾语,构成的介词短语作代词some的后置定语.而him是宾格代词“他”,词义错误.

不要担心，汤姆拥有很多食物，你可以跟他分享一些

him .

it