A.seeds 2. | B.pictures 3. | C.textbook 4. | D.glass 5. | E.soil |
A.do some research 2. | B.write a report 3. | C.study and think 4 | D.read a book |
A.stamp | B.stamps | C.picture |
A.research | B.books | C.pens |
A.paper | B.idea | C.report |
A.on | B.under | C.in |
A.report | B.book | C.story |