Today there arc weather satellites that bcam down information about

30/80

Mark the letter A, B, c, or D on your answer sheet to indicate the correct answer to each of the following questions.
Today there arc weather satellites that bcam down information about the earth’s atmosphere. In the last two decades, space explortion________great contributions to weather forecasting.

is making

made

has made

makes

Giải thích

Đáp án là C. Câu thiếu thảnh phần động từ. Với cụm trạng từ “In the last two decades” câu sẽ chia ở thi hiện tại hoàn thành.