help~英语题啊!Sarah is sleeping now (because she works at night)

help~英语题啊!Sarah is sleeping now (because she works at night) She is sleeping now because she work at night 划线部分为because s Because Sarah has always saved____,she is now able to afford She often works at night对 at night提问 ___you___I must stay at home.Because the baby is sleeping. Sarah is badly ill.She *** see a doctor at once Why she is sleeping 英语介词填空：She always works till late ___ night. Sarah ___be at home because she phoned me from the office ju She is afraid ( ) he ( ) cold at night. My mothr works ()every night because she has a lot of work t 英语高手进啊She works hard at English ,but she hardly gets good ma