The main aim of CAT is to search for an ecologically better way of living by using

Câu hỏi :

The main aim of CAT is to search for an ecologically better way of living by using technology which (28) _____ no harm to the environment.

A. gets

B. makes

C. plays

D. does

* Đáp án

D

* Hướng dẫn giải

Đáp án D

Kiến thức: Collocations (sự kết hợp từ)

to do harm (to sth): làm hại đến

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