第25题: [单项选择]The stock ______ in value should be sold. A. which has not increased B. has not increased C. not been increasing D. who has not increased 参考答案:A 答案解析:应该看出,正确选择项应该为本句主语“The stock”的定语从句,需要一个引导词“which”引起的从句。其他选择项为错误语法。
第32题: [单项选择]Although many of the houses in the small town ______ still in need of repair, there ______ lots of improvement in their appearance. A. are;has been B. is;have been C. is;are D. are;was 参考答案:A 答案解析:此处improvement是不可数名词。