单项选择题
It is（）to reserve a seat on this train.
A.advisable B.athletic C.accessible D.additional
单项选择题 Her illness（）her to give up his studies.
单项选择题 The company（）when it tried to expand too quickly.
单项选择题 The fairy said, "You will be transformed into two statues of stone but still（）your reason."
