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only the engineering and construction companies may have the problem of skill deficiency. some larger companies always take unjust measures to compete with smaller ones. without skillful engineers, small companies still have the ability to enlarge their scales. small companies are in extreme need of technical personnel with excellent skills.
to introduce to have introduced to be introduced to have been introduced
Guarantee Guaranteeing Guaranteed To guarantee
governments and companies had different opinions about the safety of products governments paid little attention to the safety of products government officials often did not listen to scientists in the past no safety laws were introduced by governments
were put forward due to scientists’ recommendations came into being as a result of the workers’ demand were introduced because quite a number of people were killed or seriously injured were effective enough to protect workers and customers
governments and companies had different opinions about the safety of products governments paid little attention to the safety of products government officials often did not listen to scientists in the past no safety laws were introduced by governments
A. to have equipped, to have introduced to be equipped , introcuced to have been equipped, having been introduced having been equipped, having been introduced
discussed financed encouraged renamed
run out of run out been used up died out
than more on efficiency and more efficiency and more on efficiency than efficiency
were put forward due to scientists’ recommendations came into being as a result of the workers’ demand were introduced because quite a number of people were killed or seriously injured were effective enough to protect workers and customers
were put forward due to scientists' recommendations came into being as a result of the workers' demand were introduced because quite a number of people were killed or seriously injured were effective enough to protect workers and customers
governments and companies had different opinions about the safety of products governments paid little attention to the safety of products government officials often did not listen to scientists in the past no safety laws were introduced by governments
there isn’t a huge increase in customer satisfaction. some companies have to watch theft scores drop steadily. E-commerce companies will soon fall out of business. shopping experience in local stores can’t be better.
e-mail messages. video. text from companies. cable companies.
have been introduced be introduced have introduced introduced
has introduced was introduced would have introduced introduced
hired dismissed refused employed
reduced the number of convictions resulted in fewer serious accidents prevented bars from serving drunken customers specified the amount drivers can drink
have sought had sought was seeking am seeking
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