Sypply the correct form of the words in parentheses 11 . We mustn't be ( care ) ______ when we cross the road 12 . This tree has a lot of green ( leaf ) _______ 13 . Is your father a ( business ) ________ ? 14 . Air ( pollute ) __________ is a big problem in many cities in the word 15 . The photocopy is between the ( bake ) ________ and the drugstore 16 . Is your brother an ( act ) __________ ? 17 . What is Yoko 's nationnality ________ ? . She is ( Japan ) ______ 18 . She is ( beautiful ) ____________ than her sister