a solar day is the length of time____the Earth to revolve once around the Sun.A it takes B which takes1 此句话中不可以用which吗?2 选择A是不是中间省略了that?不然不是有2个谓语吗is 和 takes?3 the length of time如何翻译?

问题描述:

a solar day is the length of time____the Earth to revolve once around the Sun.
A it takes B which takes
1 此句话中不可以用which吗?
2 选择A是不是中间省略了that?不然不是有2个谓语吗is 和 takes?
3 the length of time如何翻译?