There _____sign of life on Mars.A.seem to be B.seems not to be C._英语解答

There _____sign of life on Mars.
A.seem to be B.seems not to be C.seems to be no D.isn’t seem to be
是不是 C啊,其他几个为什么错

人气：125 ℃　时间：2020-03-29 11:20:56

解答

B.seem 是系动词,和be,become 等一样,变成否定时后面直接加 not.
seem 也可以是实义动词,和大多数动词一样,否定时前面加 do/does not.