The article suggests that when a person under unusual stress he should be especially careful to have a well-balanced diet.
As is so often pointed out,knowledge is a two-edged sword which can be used____for good or evil
—We’ve spent too much time money recently —Well,it isn’t surprising.Our friends and relatives ___around all the time
—Were you surprised by the ending of the film? —No.I___the book,so I already knew the story
—Peter,where did you guys go for the summer vacation? —We___busy with our work for months,so we went to the beach to relax ourselves
—Why ,Jack,you look so tired! —Well,I___the house and I must finish the work tomorrow