I ________ while reading the English textbookLuckily, my roommate woke me up in time!

Did you look up the time of trainsto New York — Yes, but the early train has beencancelled _______ the heavy fog.

Yesterday I saw a woman ______ in the street, with a little boy ______ on her shoulder.[ ]

When Tim ___ why he was late for school, he just kept silent.

Only when _____ be possible to sign the contract.