听下面一段材料,回答下列各小题。
18. When will they go to the old people’s homes?
A.This Monday. | B.This Friday. | C.This Saturday. |
19. What can they do to help the old people?
A.Do some cooking. | B.Go for a walk with them. | C.Do some cleaning. |
20. How will they go there?
A.By bike. | B.By bus. | C.On foot. |