—I wonder why Mr Green hasn't showed up at the meeting yet.—I'm not sure,but he________in a traffic jam driving here.
It was difficult to guess what her _____ to the news would be.
_____ the English examination I would have gone to the concert last Sunday.
Your help is _____ for the success of the project.
When she heard from the hospital that her father had died, she _____ into tears.
He _____ his engagement just before the wedding.