People can unlock the shared bikes, _________are equipped with GPS and can be left anywhere in public, by simply _________their smart phones.

Tomorrow is Tom’s birthday Have yougot any idea_____the party is to be held

didn’t you try to finish thecomposition— I tried to , butI could, the bell rang announcing the end of the examination time

Do you know________ boy in white—Sure. He’s my classmate Jack. He hurt his leg badly and had to stay in ______ bed.

Thank you.（同义词）