选择单词的正确形式填空。9G9[5C)a(m;H5t6v;R)X:[+k
Look! Charlie is 9j'\8w:~3R5l'R9J5o*G)H7Frubbish in the bin. （throws / throwing）9G9[5C)a(m;H5t6v;R)X:[+k