Be careful in the sentence correction, don't make a choice until you have observed all the four choices.
Be careful in the sentence correction, don't make a choice until you have observed all the four choices.
在做题到中间(10题上下)的时候，要用眼睛扫一下左上角的时间，这样，你有足够的空间决定后面的题要加速还是减速。