When the soldier _____ his shirt, he discovered that his arms were black and blue.
. I think ___ necessary ___ a foreign language.
. At the meeting I suggested that every class ___ divided into eight groups.
. --- He eats too much fat and sugar. --- That is ___ he ___ on weight very easily.
. ______ I’m well again, I can go on with my work.
. The reason for his success is ______ he worked very hard.