专升本考试

【单选题】It is the first time you ______ a complaint about it.
A．made
B．have made
C．make
D．are making
网考网参考答案：B
网考网解析：
It is the first time后面的从句要用完成时。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>