22. Can you give the compound nouns for the following.
a) A shelf for books                                                    ...................................
b) A train carrying goods                                           ...................................
c) A test to detect blood infections                            ...................................
d) A case for keeping pencils                                    ...................................
e) A short film for two hours                                    ...................................
f) The page of a book listing contents                       ...................................
g) An expert in robotics                                             ...................................
h) A shop selling toys                                                ...................................
i) An essay that is very long                                      ...................................
j) An issue of human rights                                       ...................................