II. Choose the answer (A, B, C or D) that best fits the space in each question.

Câu hỏi

To address the problem of traffic congestion, the local authority is planning to invest ______ renovating infrastructure.

Đáp án
C. in

Câu hỏi thuộc Bài tập:

FRIENDS PLUS 9 - ĐỀ KT THAM KHẢO - REVIEW UNIT 1,2 – PRACTICE TEST 2