She looks very happy. She ______ have passed the exam.—I guess so. It’s not difficult after all.

Why not find a new job—Why should I I _____________ as much，but I like what I’m doing

Now , some robots are __________ to do the same things ____________ people.

The judge ordered that the stranger______allthe loss of the damage.

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