800 câu trắc nghiệm Điền từ Tiếng Anh có đáp án - Phần 9

In total of 14.000 experiments (4)________ globally, the teenagers (5)________ sensed when they were being watched almost 81% of the time.

15/35

In total of 14.000 experiments (4)________ globally, the teenagers (5)________ sensed when they were being watched almost 81% of the time.

arefully

correctly

accurately

effortlessly

Giải thích

B là đáp án đúng