Question

【题目】There ______ great changes in our hometown in the past fifteen years.

A. has been B. have been C. was D. were

Answer 1

【答案】B

【解析】试题句意：在过去的十五年里我们的家乡发生了巨大的变化。根据 in the past fifteen years可知，本句应该使用现在完成时：have/has +过去分词；由于真正的主语是great changes，故用have，所以本题选B。