英语周报2020-2021高二课标提升版，小编收集了英语周报2020-2021高二课标提升版的相关答案，没有答案的敬请期待！完整版的周报答案关注wx号：趣找答案
1. _____ it many times, I still can't make Tom understand what I said.
A . Explained
B . Having explained
C . To explain
D . Having been explained
英语周报2020-2021高二课标提升版，小编收集了英语周报2020-2021高二课标提升版的相关答案，没有答案的敬请期待！完整版的周报答案关注wx号：趣找答案
1. _____ it many times, I still can't make Tom understand what I said.
A . Explained
B . Having explained
C . To explain
D . Having been explained
