选词填空。
（1） Yesterday they _______ (have, had) lunch_______ (at, on) 12:30_______ (of, in) their school.
（2） She_______ (will, does) have to stay_______ (in, at) home and _______ (look, like) after her grandma, because she is ill.
（3） We_______ (see, saw) a lot of new _______ (houses, house) _______ (on, in) our way_______ (to, from) Shunyi.