The Travel Agency offered him a hote _______ 30 dollars every day. [ ]

I took the wrong train ______, I didn’t even know it until half an hour later. [ ]

Why does Mary look so sad? – Maybe the things _______ she saw made her think of her grandmother.

Shall I tell John about it ?— No , you . I’ve told him already .

It’s _______ MP5 . It can be used to listen music and watch movies . It’s ________ useful invention .