【单选题】Mathematics as well as physics always______me a lot of trouble.
A.has been caused
B、are causing
C、cause
D、causes
网考网参考答案:D
网考网解析:
此句中as well as physics为插入语;主语mathematics为单数名词。
document.getElementById("warp").style.display="none";
document.getElementById("content").style.display="block";
查看试题解析出处>>
发布评论 查看全部评论