it's four o'clock,Time____ school.后填什么词,为什么?

___ is piano lesson?It's at four o'clock. it's four o'clock.I must go.it's four o'clock.I must go.（ ）（ ）速度我+FFFFFFF 这篇文章帮我改一下有没有病句Lost a dogIt is a white and black dog.It's ten o'clock.it is in the park.It's one o'clock.it is in the playground.it's four o'clock.it is in stadium.it's four o'clock.it is in stadium.it's six o'clock.it is i 3 It's e（ ） four o'clock not one minute more of one minute less. it's four o'clock,Time____ school.后填什么词,为什么? It's five o'clock.(对five o'clock提问) it's four o'clock in the afternoon.let's_____together. A have lunch B.play football C to play football ___ is piano lesson?It's at four o'clock.Jackie Chan is a great ____ ____ . It's （five o'clock）提问 It's two o'clock的问句 It's eight o'clock.怎样提问? It'stwelve o'clock.let's have( ) oh,it's（ ）twelve o clock it's at ten o'clock. It's five o'clock是什么意思 It's 9 o'clock sharp . _____________?It's seven o'clock. It's eleven o'clock.中文是什么?