He_____ go out with his parents, but now he_____ staying at home alone.

What do you think of playing games—I think it is_______.We should spend more time on our schoolwork.

一Are you going to Guilin by plane 一It’s fast but expensive, so I’m not sure．I ________ take a train．

What’s your plan for this winter vacation?—I’ll take an express train to Shanghai for my holiday ___________ school ends.

Do you know _______ for Hainan last week—Last Tuesday.