35 An English play will be put on in our school(by us).
36 Color TV sets are bought by more and more farmers.
37 HIs watch is often mended by my brother.
38 The flowers must be watered every day.
39 Knives are used for cutting things by them.
40 The workers were made to work for a long time.
41 Was the window broken by him yesterday?
42 The light green dresses have been sold out (by them).
43 The classroom is cleaned by us everyday.
44 Trees must not be planted in ver dry earth (by you).
45 A hole can be dug in the earth (by you).