31 ............you know how to recycle glass?
a. do b.can c. what d.why
32 Why do people in some areas.............dry tea leaves?-To keep mosquitoes away
a. burn b. heat c. fry d. make
33 Can you..............me the way how to recycle paper?
a. told b. tell c. tells d . telling
34 House hold and garden waste is collected.................compost
a. to do b. to make c. to have d. to change
35 people use compost..............their field
a. fertilize b.to fertilize c. fertilizes d. fertilizing
36 What happened after the storm?-Harvests.............
a. are destroyed b. will be distroyed c.were destroyed d. destroyed
37 I think that you...............your homework
a. are always nervous b. always nervous about c. always nervous of d. are aways nervous of
38 The children...............a barbecue this week
a. going to have b. are going to have c. going have d. are going have
39 You don't look.........today,my dear friend!
a.happily b.happy c.happyly d. be happy
40 It's important............the environment green and clean
a. to keep b.keep c. keeps d. makes