There are ________ people having lunch at this restaurant every day.

_Who is _____ English teacher, Lu Yu? _ Mr Tian teaches _______ English.

My mom always tells me that _________/’n?θ??/ is difficult.

―It’s nice day ， isn’t it?―Yes，what fine weather！

Whose is this blue bike? －It ________ be Mary’s. Her bike is black and white.