—______ the ice ______ into water?
—Yes, it ______ into water an hour ago.
- A.Did; turn; did turn
- B.Has; been turned; turned
- C.Was; turned; was
- D.Has; turned; turned
答案
正确答案:D

turn可以做系动词,此时没有被动语态。an hour ago是一般过去时的标志,故选D。

根据题意,第一句用现在完成时,第二句用一般过去时。turn是系动词,没有被动语态。除此,还有另外表示转变的词,get,become等和smell,taste,sound等感官动词,也是系动词,都没有被动语态。
