问题
选择题
Listening attentively in class and reviewing in time _______ a sure way to improve your learning, and this is especially true _______ it comes to standard tests.
A．is, when
B．are, when
C．is, while
D．are, as
答案
答案：A
考查动名词作主语和固定句型。动名词作主语，谓语用单数，Listening attentively...是主语，故谓语用单数is，排除B、D；“当提到......”用when it comes to...句型。句意“课堂上注意听讲并及时复习是一种提高学习的好方法，这个方法对标准考试特别有用。”故选A。