讀句子,按序號(hào)填入下列單詞中所缺的字母.
1.The ______ becomes green in spring.
2.Jack is Ben's _______.
3.We often see _______ on the building.
4.The bird always sings beautiful songs in the ________.
5._______ your water down,it'sgood for you.
6.I know this ________.
1._r_ _s 2.c_ _ _ _n 3.d_ _g_ _
4.c_g_ 5._r_n_ 6.s_ _n