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 thins there and started dealing with another shop.

参考答案：
1.keeping up with the rest of the class.
【超级句型】trouble可以用在句型"have trouble doing sth. " 做某事有困难"中，这时，trouble可以用difficulty来代替。
【超级短语】keep up with意为“跟上……”，指并肩前进，并驾齐驱，不至落后、掉队。catch up with意为“赶上”，指从后边追上或改变落后状。；

2.delaying making
【超级单词】mind作及物动词，后面通常接名词、代词、V-ing形式、复合结构、从句等。
Delay后接动词时，应该接动词的ing形式。

3.play indispensable roles
【超级短语】play a part/role in起着……作用，饰演……的角色。

4.attampts to escape being fined
【超级单词】escape后面要接动名词形式。常与介词from搭配，如He has escaped from the fire.

5.caught /found him cheating me
【超级句型】find/catch+宾语+宾补,如I found him standing by the river.