He started to learn English in 1990 and in the years ________ he kept on using it in his work.
Children who are not active or ________ diet is high in fat will gain weight quickly.
The days are gone ________ physical strength was all you needed to make a living.(2011·天津,10)
Ellen was a painter of birds and of nature,________,for some reason,had withdrawn from all human society.(2012·浙江,17)
After the flooding,people were suffering in that area,________ urgently needed clean water,medicine and shelter to survive.(2012·江苏,22)
Portia,for ________ physics had once been very hard,turned out to be a physicist.