3题英语句型转换

3题英语句型转换
1.be afraid of the dangerous animals please.(改为否定句）
______ _____ afraid of the dangerous animals please
2.how long do you spend on your homework every day?(改为同义句）
how long does ------- ------ you to do your homework everyday?
3.which is your brother's favourite food?(改为同义句）
which ------- ------- your brother ------- --------