Question

[Lê Quỳnh Anh]

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

Question. Researchers are developing low-cost devices. These devices can detect water pollutants in rivers and lakes.

A. Researchers are developing low-cost devices that can detect water pollutants in rivers and lakes.

B. Researchers are developing low-cost devices to detect water pollutants in rivers and lakes.

C. Researchers are developing low-cost devices so that they can detect water pollutants in rivers and lakes.

D. Researchers are developing low-cost devices who can detect water pollutants in rivers and lakes.

Answer 1

[Dương Hoàn Anh]

Đáp án A

Dịch: Các nhà nghiên cứu đang phát triển các thiết bị giá rẻ có thể phát hiện các chất gây ô nhiễm nước ở sông hồ.