11 Farmers use the dung of animals for.............. Their field
a.compost b.fertilizing c.wasing d.collecting
12 The glass is broken up...............and made into new glassware
a.cooked b. stretched c.melted d.strained
13 Nowadays,people wear shoes and sandals.............from old car tires
a.made b.done c.reused d.reduced
14 Tires can be recycled to make...........
a. pipes and covering floors b.piles and covering floors
c. piles and floors coverings d. piles and floor coverings
15 Contact an organization like of the earth..................
a. for information b. to information c. with information d. about information
16 ''Recycling'' means.......................
a. not throwing things away b. not throwing thing away c.not blowing things away d.not blowing thing away
17 The work has done by..................
a.he b.us c.they d.she
18 The teacher................upset by the children
a.be b.being c.was d.been
19 It is ................to help friends when they have dificulties
a.interesting b.interest c.interested d.interests
20 She is afraid..............it will rain very soon
a.so b.that c.when d.such