13.A. all B. short C. no D. indoor
12.A. night B. regular C. small D.real
11.A. hear from B. feel like C. think about D. know of
10.A. understand B. study C.play D. say
9. A. workers B. pupils C.gardeners D. grown-ups
8. A. freedom B. habit C. time D. people
7. A. from then on B. at first C. once more D. just then
6. A. attended B. took C. missed D. studied
5. A. and B.but C.so D. yet
4. A. sad B.last C.good D. strange