1.I have had great deal of trouble__________________. (跟得上班上的其他同学)
2.I don’t mind your_____________(你延期做出决定) the decision as long as it is not too late.
3.In the Chinese household, grandparents and other relatives_____________(起着不可缺少的作用) in raising children.
4.Mark often____________________________(试图逃脱罚款) whenever he breaks traffic regulations.
5.When I __________________(发现他骗我) I stopped buying things there and started dealing with another shop.