He is (suitable) to be a doctor. He is (appropriate) to be a doctor. He is (competent) to be a doctor. He is (qualified) to be a doctor. 任选,供参；优先推荐前2 再问： 我才上初一 不懂你那么多，我有点不确定，不然又要三点一线 再答： 那就He is (fit) to be a doctor. be fit to do，适合做...，能胜任做... fit应符合初一词汇量
