@$Rinne$
$1$. You should not allow a 4-year-old child to walk home alone
$2$. Not until I left home could I realize how important the family
$3$. Mrs. Green is proud of what her son contributed to the play
$4$. Hardly did they recruit young engineers
$5$. We have booked five rooms, only two rooms have air conditioning
$6$. It looks as if Jane is coming to the performance late
$7$. Had it not been for Mom's help, I could not have held a big party
$8$. The harder we work, the more success we get
$9$. Such was the disappointment that Fiona could not keep on working
$10$. Competent as Richard is in his work, he does not know how to deal with this client
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$1$. Regular exercise not only help in controlling weight, but also prevents illness
$2$. It lessens the risk of heart disease which is a threat to men over fifty
$3$. It allows us to get rid of tenseness, anxiety and frustration
$4$. During exercise, the brain releases (some/ the) chemicals (which are) called endorphins, which are associated with happiness and relaxation
$5$. Exercise which is taken regularly improves the fitness of our body and our mind