题目内容
I don’t know ______ Annie will join us tomorrow. ______ she comes, I’ll tell you.
A.if, If B.whether, Whether
C.if, That D.if, Whether
练习册系列答案
相关题目
题目内容
I don’t know ______ Annie will join us tomorrow. ______ she comes, I’ll tell you.
A.if, If B.whether, Whether
C.if, That D.if, Whether