题目：
Up till now we _______ four units and this will be the second time that we _______ a test.
A．have finished; have had
B．finished; will have
C．have finished; are to have
D．will finish; have had
答案：
答案：A
考查时态，第一空：根据时间Up till now 知道现在，应用现在完成时态，可排除B和D两项，第二空为句型：this will be the second time that这是第二次干什么了，后用现在完成时态，所以选A。
