Make sure you ______ up the data on your computer, because you might get a virus.
Đáp án B
Back up: sao chép dữ liệu dự phòng
Which of the followings is NOT an evidence of monitoring studying?
It can be a very (30) __________ surprise if you expect to shake hands and get a kiss or a hug instead.
According to the passage, what can be learnt about passive students?
Which of the followings is the flow of water from the ground to the surface?
But things are more likely to turn (80) ________ well if you persevere and stay positive.