答案是对的.因为有特定某个时刻at nine in the evening ,故应该用进行时,我认为如果没 at nine 就用一般现在时,即 Mary does her homework in the evening .
加油!不明白再问!如果帮到你,请采纳,谢谢!
答案是对的.因为有特定某个时刻at nine in the evening ,故应该用进行时,我认为如果没 at nine 就用一般现在时,即 Mary does her homework in the evening .
加油!不明白再问!如果帮到你,请采纳,谢谢!