1.The manager has ___to improve the working conditions in th

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1.The manager has ___to improve the working conditions in the company.
A.accepted B.allowed C.permitted D.agreed
答案选的D,可是我认为C也是正确的.经理承诺了要改善工作环境也不错啊,
2.The students in our class ___ each other good lunc in the coming entrance examination when they met at the party.
A.expected B.conguatulated C.hoped D.wished
我选的C,我记得以前讲过wish一般指不可能实现的愿望,而hope sb sth这种用法也好像可以呀,我想知道我错在哪儿呢.
3.Don't be joking .It's time to ____your business.
A.set out B.take up C.go on D.get down
,为什么不能选C或D呢?
4.We must ___ pains to bring up our students.
A.take B.save C.spare D.give
可是我不知道选这个,句子该怎么翻译,
5.If the wind changes,you'll have to____your boat about.
A.take B.bring C.get D.fetch
bing your boat 为什么不能选C?

一、第一题答案D没错.因为C选项permit+doing固定结构,明显不符.agree to +do指答应、同意.
二、第二题答案D没错.这属于wish+宾语+名词或形容词（作宾补）结构,hope没此用法.hope用法一般只有两种：1.hope+to do;2.hope +that 从句.而wish 用法较多.
三、选B,这是根据句子的逻辑意思决定的.take up 意是“从事,做”后面可以加名词或动名词作宾语；而go on 不能直接加宾语,后面需加with+名词或doing sth结构,get down +to+名词或动名词,意思才符合.
四、应该选A.take pains to do sth,是辛苦做某事的意思
五、bring your boat about是改变航向意思,这里最恰当.其他明显不符.

The manager has ____to improve the working conditions in the ————has been done to improve the working conditions. ______has been done to improve the working conditions A,a lo the manager has been telling the works how to improve the pr in the conditions 和 under the conditions i ___to get in touch with the manager for the last two hours their working conditions ( )the same ( )before Working conditions in the factory are ___ few workers stay l ___has recently been done to improve the conditions of eleme The manager's health has( )from overwork in recent months 如何区别in the conditions 和under the conditions The manager tried to improve the company's__but failed.