翻译下列句子：
a.我想给妈妈买一个生日礼物。                                 
b.我们一起回家吧！                               

Gina does her homework every day.(改为否定句和一般疑问句)
否定句：                                                
一般疑问句：                                             

填空。
Her skirt       (look) very nice.
We sell our clothes a       very good p       .
Fourteen and twenty-six is f       .
Eleven and twelve is t       .
Ten and five is f       .