Imnotsureofthereason的精选

问题详情：I'mnotsureofthereasonforthedog'sillness,butit________(cause)byeatingtoomuch.【回答】may/mighthavebeencaused句意：我不能肯定*生病的原因，但它也许是因为吃得太多了。根据前句“I'mnotsureofthereason...