英语周报第一期2020-2021高一课标答案，小编收集了英语周报第一期2020-2021高一课标答案的相关答案，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. The old couple sat in front of the house every evening, happy _____ those lovely children running and playing around.
A . to watch
B . watching
C . watched
D . to have watched
