Question

【题目】Look! The shapes（形状）of the clouds _______. They were like horses just now.

A. changeB. are changingC. were changingD. have changed

Answer 1

【答案】D

【解析】

句意：看，云的形状改变了，刚才看起来像马。根据句意可知，动作发生在过去，对现在造成影响（和刚才不一样了），所以用现在完成时，结构是主语+ have/has+过去分词，故选D。