Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.

Câu hỏi

Sensors around the city warn the team in charge on broken lights or full bins.

A. Sensors

B. warn

C. on

D. or

Đáp án
C. on

Câu hỏi thuộc Bài tập:

UNIT 3: 45-MINUTE TEST - Tiếng Anh 11 Global Success