Is your mother at home?No,she( )shopping.为什么中间只能填has gone而不能填goes呢?

Is your mother at home?No.She is at w___. 填空:Where's your mother She () be at Lucy 's ho填空:Where's your mother She () be at Lucy 's home,but I 'm not sure. does your mother at home 这句话对吗?还是are your mother at homeor is your mother at home what is your mother doing at homewhat is your mother doing at home now.中文意思 Is your mother at home or at w_________ They are at work=They ( ) ( ) Is your mother in today=Is your mother ( ) ( ) toda What is your mother what is your mother? Where is your mother? who is your mother Is your mother是什么意思 Is your mother thin? is your mother in Is your mother thin? Is your mother in? is,mother,your,doing,what What is your mother?回答 How old is your mother?