请补出下列空缺处的字母.
问题描述：
请补出下列空缺处的字母.
1.p_ _t_re
2.w_r_
3.t_ _nk
4.b_ _k
5.y_ _r
6.n_mb_ _
7.b_g
8.gr_ _n
9.fr_ _n_
10.si_t_r
11.e_a_e_
12.f_t_ _ _
答
1.p_ _t_re picture2.w_r_ were ware3.t_ _nk think thank4.b_ _k book5.y_ _r your6.n_mb_ _ number7.b_g big bag8.gr_ _n green9.fr_ _n_ friend10.si_t_r sister11.e_a_e_ eraser12.f_t_ _ _ fitable