原题:
题型:单项选择-三个选项
Ann is a smart girl. She ________ play the piano when she was five years old.
| A.can | B.could | C.must |
题目考点:情态动词的过去式用法
| A.can | B.could | C.must |
题目考点:情态动词的过去式用法
说明:本试题为学习资料,仅供教学与自学使用,答案解析资源免费下载,不含任何诱导下载或捆绑程序。
