I lost my ______ and fell off the bike.

What ________surprise you gave us by wearing such funny________ at so serious a meeting! 

 Due to the widespread ________ of this medical technology，more diseases can be discovered and treated at an early stage.

. --- If you accept this job, you will earn $10,000 a month and be provided with a house and a new car. --- Your ________ is inviting, but I’m not interested in the job.

At times, worrying is a normal________ to a difficult event or situation—a loved one being_______ in an accident, for example.