Marry is a teacher.she is often smiling.合并句子Marry is a teacher _ _ often smiling.

问题描述:

Marry is a teacher.she is often smiling.合并句子Marry is a teacher _ _ often smiling.
Marry is a teacher.she is often smiling.合并句子
Marry is a teacher _ _ often smiling.

Marry is a teacher _ who is_ often smiling.