21 A.mow B.know C.dawn D.window 22 A.sword B.sweat C.swing D.swallow 23 A.use B.umbrella C.under D.utter 24 A.student B.education C.united D.truck 25 A.lawn B.allow C.drawing D.swimmer 26 A.winter B.answer C.award D.towards 27 A.her B.honour C.hold D.home 28 A.bring B.every C.remember D.party 29 A.girl B.card C.for D.pretty 30 A.rhyme B.behind C.hundred D.here 31 A.iron B.celebrate C.parent D.restaurant 32 A.children B.divorce C.married D.present 33 A.sing B.glance C.turn D.sneaky 34 A.language B.happen C.experience D.know 35 A.around B.hand C.nothing D.autumn 36 A.note B.next C.finger D.expensive 37 A.cheese B.chemistry C.children D.change 38 A.machinery B.march C.cheerfully D.merchant 39 A.page B.message C.danger D.garage 40 A.pasture B.question C.constant D.picture 41: A. language B. link C. glance D. uncle 42: A. reached B. sponsored C. enjoyed D. answered 43: A. dangerous B. shortage C. generation D. growth