You _________ drive so fast, for we have enough time to arrive at the station.

There are going to be ____ winds tomorrow.

I hear that Lily’s brother is a worker here.—Look! The manis working over there is her brother.

They do some exercises _____Friday morning. [ ]

Some people are worrying about the possibility ________ mobile phones could be responsible for a range of illnesses, from rashes(皮疹) to brain tumors．