Answer the following questions according to the text.Good students usually have good study habits and know how to plan their time efficiently. Some find it helpful to draw up a five or six day program each week and plan what they will do when. Of course one cannot always keep to such a plan; unexpected things often happen but even the making of such a plan forces us to think about what we ought to do during the week and this is the first step towards doing it. 1. A weekly study program can be very useful _____. A) after good study habits have been established. B) but doesn’t lead to better study habits. C) so long as it isn’t very detailed. D) even if one doesn’t keep to it exactly. E) if one knows, it can’t be changed. 2. Good students _____. A) only do what they ought to do and not what they want to do. B) waste a lot of time thinking about what they ought to do. C) owe their success to good study habits and careful planning of their time. D) take five or six days to do what they could do in two or three days. E) can’t plan their time efficiently without someone to help them. 3. One advantage of drawing up a work plan for the week is that _____. A) we realize that a lot of work we do is unnecessary. B) unexpected problems can be avoided. C) we can give ourselves two whole free days. D) it reminds us of what we have to do during the week. E) we soon grow used to working at regular times.