. I think you must be mistaken about seeing him at the theatre; I’m sure he _____ abroad all week.
Is this the reason ______at the meeting for his carelessness in his work?
She speaks as if she ____on the spot.
______ it______ for your help,I couldn't have made any progress.
-Does the young man standing at the gate_____ the car? -No. The car is _____ his father.
Everything _____ doing is worthy of _____ well.