Put the words in brackets in the plurar. 1. (business person) are involved in the management of (company) 2.my father builds(bridge) 3.every year they spend a couple of (month) at the seaside 4.in our orchard we grow (potato) and (tomato) 5.this museum exhibits the 18th-century () and (grand piano) 6.why do financial (crisis) happen? 7.i want to read shakespeare's (play), both (tragedy) and (comedy) 8.(roof) on houses vary in geometry , method of ventilation and covering material 9.there are computer (disk) in those (box) 10. at the geography lessons we study nature (phenomenon)

1.Businessmen/Business people are involved in the management of companies.
2.My father builds bridges. 
3.Every year they spend a couple of months at the seaside. 
4.In our orchard we grow potatoes and tomatoes. 
5.This museum exhibits the 18th-century organs, pianos and grand pianos. 6.Why do financial crises happen?
7.I want to read Shakespeare's plays, both tragedies and comedies. 
8.Roofs on houses vary in geometry, method of ventilation and covering material. 
9.There are computer disks in those boxes. 
10. At the Geography lessons we study nature phenomena.