_____ David goes, he is welcome.
Occasions are quite rare ________ I have the time to spend a day with my kids.
Because of the financial crisis,days are gone ________ local 5-star hotels charged 6,000 yuan for one night.
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Ellen was a painter of birds and of nature,________,for some reason,had withdrawn from all human society.(2012·浙江,17)