For questions 19-21 select the groups of words which are sentences.
19. (a) Across the river
(b) We were all together at the ball game
(C) On top of
(d) with a light heart
20. (a) Will we see you tomorrow?
(b) At the shop
(c) In the yard
(d) Over and under it
21. (a) All the girls wore red yesterday.
(6) That boy there
(C) If you cannot come
(d) Into the night