【简答题】He didn’t have any money for a bike.(改为肯定句) He _________ __________ money for a bike.
【单选题】与慢性胃炎和消化性溃疡等密切关系的是( )
【判断题】碘量法中,淀粉指示剂一般是在近终点时加入,否则会影响滴定终点的到达
【多选题】联系房屋各层不同高度空间的垂直交通设施有( )
【单选题】Last night Dad and Mum didn't come back home _____ I finished my homework. [ ]
【单选题】Last night Mr. Crook didn't come back at the usual time. ___, he met some friends and stayed out until midnight. [ ]