______ the police thought he was the most likely one, since they had no exact proof about it, they could not arrest him.
—Tom, have you finished your homework? —Yes, I ________ before you came back, mom.
I wonder why you didn’t do as ________ and it’s the third time you have done this.
It was so dark outside that the little child ________ go out by himself.
It is a great pity that the band which Jack was a member of ____ after 26 years of playing together on stage.
Workers who cannot speak good English may be at disadvantage ____ with foreign customers.