超声波试听:it's( eight thirty.)对打括号处提问。

it's( eight thirty.)对打括号处提问。 A:It's eight o'clock and Mary is still working in the office ____? At half past eight.Let's go together, It's Sunday It's ( ) It's dele What's the meaning of "Eight-Treasure-Rice","sources said"? Is the teacher's Day on the ( ? ) (eight) of Setember? (?)里填什么 It's a r_______jaket It's All Vain