41.  He stayed in his cave for some days, but no savages came, and he became to feel more lonely without friends, because his dog was dead.

42.  "Oh, no matter .

43.  And I always wanted to sleep and had no energy in studying.

44.  We are often busy and have no time to visit each other .

45.  I pretended to be calm and said "no".

46.  "Oh, no matter .

47.  It is no use regretting what has been done now.

48.  I think some say "yes" and some say "no".

49.  Although we are all hard we think it is very valuable, so we have no murmur .

50.  Because I had paid no attention to going over the lessons .