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t e r y e s t e r d a y . cost spent takes spend paid Ⅳ . 根據(jù)漢語意思完成句子 , 每空一詞。 ( ) 1 . T r y y o u r b e s t t o p r o t e c t t h e e n v i r o n m e n t . I t w il l a b ig d if f e r e n c e . A . m a k e B . d o C. t a k e D. b e ( ) 2 . T h e la k e is o f li t t e r a n d it s m e l ls t e r r ib le. A . f il led B . f u ll C. p len t y D. f e w ( ) 3 . — Wh a t is t h e o f b i k e r id i n g ? — I t c a n h e lp c u t d o wn a i r p o ll u t io n . A . a d v a n t a g e B . r e a s o n C . r e s u lt D . r u le A B A ( ) 4 . W e s h o u ld a p a r t in c lea n in g u p t h e r iv e r . A . p l a y B . s o l