1.-It shouldn' t take long to clear up after the party if we all volunteer to help.
-That' s right. ______.
A.Many hands make light work
B.Something is better than noting
C.The more the merrier
D.The soonerbegin, the sooner done

2.______ you eat the correct foods ______ be able to keep fit and stay healthy.
A.Onlu if;will you B.Only if;you will
C.Unless;will you D.Unless;you will

3.To learn English well, we should find opportunities to hear English ___ as much as we can.
A.speak B.speaking C.spoken D.to speak

4.-I'm sorry. I ____ at you the other day.
-Forget t. I was a bit out of control myself.
A.shouldn' t shout B.shouldn' t have shouted
C.mustn' t about D.mustn't have shouted

5.It is ______ to spend money on preventing illnesses by promoting healthy living rather than spending it trying to make people _____ after they are ill.
A.good;good B.well;better
C.better;better D.better;good

会的分析分析
我要这样的分析
It' s reported that by the end of last month the sale of the company ______ by 10%.
A.has risen B.had been rising C.had risen D.has been rising
选C.根据句中的by the end of last month ，证明rise上涨这一动作持续到上个月末，既然截止到过去时间为止，就应用过去完成时，排除A,D。
rise不及物，所以无被动,排除B。

2.A only if“只有”位于句首，主句主谓语倒装。“只有合理饮食你才能保持健康。”
unless=if not如果带进意思为“如果你不合理饮食，你就会保持健康。”意思明显不对。
3.C 感官动词+宾语+done做宾补“感到...被...”
既然在hear后面有宾语English，宾补“说”与宾语English之间就肯定是被动关系，所以选spoken
其它几道题与楼上见解一致，不再啰嗦。

个人看法，仅供参考