Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

Câu hỏi

Robots will be able to work harder and longer than people _______________ getting tired and complaining.

A. but

B. with

C. without

D. so

Đáp án
C. without

Câu hỏi thuộc Bài tập:

E6- GS- Unit 10: Test for unit