—Where _____ Mary have put the empty bottles? — She _____ them away. They must be somewhere. 

 –Look! The boy is running fast! –He might ______ to catch a bus.

--- Hi, Lucy．Do you know where Linda is? --- She           in the library．I saw her there just a few minutes ago．

 Look at the “No parking” sign. You _____park your car here.

Mike ________ his car, for he came to work by bus this morning