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et h i n g t o p r o t ec t t h e s h a rk s b ec a u s e m a n y o f t h em a r e en d a n g e r e d n o w . A . m u s t d o B . m u s t d o n e C. m u s t b e d o n e D . m u s t b e d o i n g B C Ⅱ . 用適當的介詞或副詞填空。 1 . I p a id t e n y u a n t h is b o o k . 2 . W h e n h e c a m e , I w a s li s t e n in g t h e r a d i o . 3 . T h e y u s e wa t e r in s t e a d w i n e . 4 . Do n 39。t f o r g e t t o t u r n t h e li g h t s w h e n y o u lea v e t h e c l a s s r o o m . 5 . T h e icy r a in s e e m e d li k e t o t u r n s n o w . for in to of off into Ⅲ . 用方框中所給單詞的適當形式填空。 t a k e s lee p s h o p p la y r e c y c le 1 . t h in g s is n 39。t a d if f icul t t h in g f o r u s . 2 . Y o u s h o u l d s t o p b a s k e t b a ll w h il e y