15. A. albums B. tanks C. shops D.plants
16. A. gets B. loves C. sings D.buys
17. A. collects B. cooks C. swims D. claps
18. A. stamps B. friends C. relatives D. guitars
15. albums / z / tanks / s / shops / s / plants / s /
16. gets / s / loves / z / sings / z / buys / z /
17. collects / s / cooks / s / swims / z / claps / s /
18. stamps / s / friends / z / relatives / z / guitars / z /