题目内容
George had to stay at home during holidays _________ he could help his father look after the farm.
查看答案
搜索结果不匹配？点我反馈
更多问题
Look at the terrible mess! You _________ cleaned the house before I came back.
With the population explosion, scientists will have to ________ new method of increasing the world's food supply.
________ there was not enough evidence; most people still thought the crime was guilty.
________, we'll go swimming this weekend.
微信支付 
支付宝支付