高中英语单选--bob is always complaining about not having any money
高中英语单选 --bob is always complaining about not having any money. --the problem is that he doesn't work hard and never ___. A.has B.did c.had d.does 为什么不能选b
has 现在完成时时态,表示从过去到现在的阶段性状态; did 过去某时间点上做的某事,只表示过去某一刻; had 是过去某一段时间,但在现在之前已完结,不表示持续到现在; does 一般现在时,现在发生的动作或状态; 根据题目,the problem is that he doesm't work hard是说问题在于他不努力工作(现在),and never has表示现在之前也没有努力工作过.
答案:A。本题考查动词的时态与省略句。完整句子应该是The problem is that he doesn't work hard and (has) never worked hard. 句子中work hard省略。 由于句中有 doesn't work ,已经表示了现在,后面应该说在此之前,且对现在造成的影响,应该用“现在完成式”。