Costa Rica is one of the most beautiful places I have ever visited. Wherever you go, you can see the ____ of volcanoes, some of which are still alive.

Câu hỏi :

Costa Rica is one of the most beautiful places I have ever visited. Wherever you go, you can see the ____ of volcanoes, some of which are still alive.

A. tops

B. heads

C. mouths

D. ends

* Đáp án

A

* Hướng dẫn giải

Cụm từ: the tops of N: ngọn của cái gì đó

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