—Tim, you are leaving for the Yellow Stone Park tomorrow. Why not pack your clothes and food up now?— .A Help yourself B.. Good ideaC. Go ahead, please D. Me, too
Natural disasters occur at ________ times, so it is always difficult to warn people in advance.
________ when your ticket has been checked will you be allowed to take the plane.
Sometimes we can see more than 60 students are ________ in a small school bus, which can easily cause traffic accidents.
— I heard the voices, but couldn’t ________ what they were saying. — Why not go over? It won’t do you any harm.
Who ________ a lady like Susan Boyle, once an ordinary woman in Scotland, would achieve overnight success at Britain’s Got Talent Show?