263.Don't take too much of the medicine；it does you more harm than good if you ________.
A.do
B.take
C.like
D.have
264.Lucy has _____ all of the goals she set for herself in high school and is ready for new challenges at university.
A.acquired
B.finished
C.concluded
D.achieved
263.答案是A；本题考查do的用法。 do在此代替前文已出现的动词take，以避免重复。
264.答案是D；achieve one's goal/aim实现某人的目标。
