题目内容
If you want to do the experiment again, you had better be more careful ________ you made a mistake.
A.when | B.why | C.where | D.that |
C
解析

练习册系列答案
相关题目
题目内容
If you want to do the experiment again, you had better be more careful ________ you made a mistake.
A.when | B.why | C.where | D.that |
C
解析