问题
单项选择题
Having spent two days on one subject and ______ two days on the other subject, I am now ready for the exam.
A．other
B．next
C．those
D．another
答案
参考答案：D
解析：another在本句中是形容词，意为“再一，另一”，如：Don't lose heart. Have another try. 别灰心，再试试。in another ten days“再过10天”。