Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

Câu hỏi

We developed a subway system. It was to improve the transportation in the city.

Đáp án
A. A subway system was developed in order to improve the transportation in the city.

Câu hỏi thuộc Bài tập:

E10- I-learn- Unit 6 (2)