The problems of the past few months have taken their…… toll on her health and there are shadows under her eyes.

* Hướng dẫn giải

Kiến thức về  cụm từ cố định

To take one’s toll on sb/st = to have a bad effect on someone or something, especially over a long period of time: gây ảnh hưởng nghiệm trọng/ lâu dài cho ai/ cái gì