1.A modern city has been set up___was a wasteland ten years old.A. what B. which C.that D. where正确答案是A。请问，为什么B选项不正确？2.It'll be three weeks___we take our exams.A.after B.when C. before D. since请问,C选项为何不正确?3.who are you going to have___this letter for you?A. tape B. typed C. been typed D. been typing请大家回答一下以上三道题.谢谢咯.
參考答案:第一题绝对是答案错了 what=the thing that 肯定选B 指代"a modern city"
第二题个人认为选C没什么问题
第三题固定用法 have sb do sth
