It's __ eight o'clock,I must go.空格应选哪个介词?为什么?about ,at ,for 等答案是about哦,可语法上怎么解释不选at呢?

My father‘s birthday is October 8th （一般疑问句 ）__ __ __ birthday October 8thIt’s Marth 21st（提问）__ __ it?We have an Art Festival every year(提问)__ __we__ every year?He watches TV at 8 o'clock in the evening（对at 8 o‘cloc It's eight o'clock.怎样提问? It's(o )eight o'clock.It is still early 七下英语完形填空Mr Green is a teacher of E__(1)___. He is not a young man, but is not o__(2)__. He knows three or four languages, and he reads and speaks and writes them w__(3)___. He reads many b___(4)___ and writes some.It's about 11'o cloc It's ten o'cloc.The shop____now.It usually___at nine in the evening.A.closes closes B.is closedIt's ten o'cloc.The shop____now.It usually___at nine in the evening.A.closes;closes B.is closed; closes C.is closing;is closed D.closes;is closed its eight o'clock.let's ________our class It's eight o'clock now.就划线部分提问如题,“eight o'clock”划线 状语从句和强调句区别-Did Jack come back early last night?-Yes.It was not yet eight o'clock _____ he arrived home.答案为when 请问为什么不能是that 强调句?答案解析说的是强调句强调时间状语要是 It was eight o'cloc It's a quarter to eight o'clock It's eight o'clock什么the morning什么意思 it's eight o'clock the street is very b_______ -What's the time?-It's at eight o'clock.错在哪? It's eight o'clock.We're late___school.Let's hurry.填介词 It's eight o'clock He's （）for a bus. it's half past eight. It's six o'clock.I __(get)up now. It's __ eight o'clock,I must go.空格应选哪个介词?为什么?about ,at ,for 等答案是about哦,可语法上怎么解释不选at呢? 帮会回答下,it's eight o'clock the street is very b_______it's eight o'clock the street is very b_______回答下