Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is OPPOSITE in meaning to the underlinedpart in each of the following questions.
Constant correction by a teacher is often counterproductive, as the student may become afraid to speak at all.
A. desolate
B.unproductive
C.barren
D.effective
Đáp án là D. counterproductive : không hiệu quả >< effective: hiệu quả
Nghĩa các từ còn lại: desolate: bị tàn phá; unproductive: không phát sinh; barren: cằn cỗi