It ______ be the postman at the door. It’s only six o’clock.

is,it's,the,in,at,evening,time,o'clock,begin,begins,six,what It's six o'clock in the morning.he() Who's that at the door?____ is the postman.A.She B.This C.It It’s six o’clock now.Our family ______ (have) supper at home the sun rises at about six o'clock in the morning and it set It's d___ at nine o'clock in the evening. The shop is （）now.It’s （）before six o’clock in the evening.A It's six o'clock in the evening The Greens （）(have） supper 用 was it 8 o'clock _____you heard someone _____ at the door? Was it 8o'clock -----you heard someone------at the door Who is knocking at the door?I think ___ is the postman?A、it It’s six o’clock in the mornjng的答句