高一英语课标周报2020-2021答案，小编收集了高一英语课标周报2020-2021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. Like ancient sailors, birds can find their way__________ the sun and the stars.
A . used
B . having used
C . using
D . use
高一英语课标周报2020-2021答案，小编收集了高一英语课标周报2020-2021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. Like ancient sailors, birds can find their way__________ the sun and the stars.
A . used
B . having used
C . using
D . use
