Methods of studying vary; what works【21】______for some students doesn't work at all for ot

Methods of studying vary; what works 【21】______ for some students doesn't work at all for others. The only thing you can do is experiment 【22】______ you find a system that does work for you. But two things are sure: 【23】______ else can do your studying for you, and unless you do find a system that works, you won't go through college. Meantime, there are a few rules that 【24】______ for everybody. The hint is "don't get 【25】______ ".

The problem of studying, 【26】______ enough to start with, becomes almost 【27】______ when you are trying to do 【28】______ in one weekend. 【29】______ the fastest readers have trouble 【30】______ that. And ff you are behind in written work that must be 【31】______ , the teacher who accepts it 【32】______ late will probably not give you good credit. Perhaps he may not accept it 【33】______ . Getting behind in one class because you are spending so much time on another is really no 【34】______ . Feeling pretty virtuous about the seven hours you spend on chemistry won't 【35】______ one bit if the history teacher pops a quiz. And many freshmen do get into trouble by spending too much time on one class at the 【36】______ of the others, either because they like one class much better or because they find it so much harder that they think, they should 【37】______ all their time to it. 【38】______ the reason, going the whole work for one class and neglecting the rest of them is a mistake, if you face this 【39】______ , begin with the shortest and easiest 【40】______ . Get them out of the way and then go to the more difficult, time consuming work.

【21】

A．good

B．easily

C．sufficiently

D．well