Mark the letter A, B, C, or D to indicate the word or phrase that is OPPOSITE in meaning to the underlined part in each sentence.

Câu hỏi

How many kinds of renewable sources of energy are there?

A. non-renewable

B. alternative

C. polluting

D. expensive

Đáp án
A. non-renewable

Câu hỏi thuộc Bài tập:

E7- GS- Unit 10- Practice (1)