The driver’s wrong gearing(挂档) was________ for the backward movement of the car, which accidentally knocked down the old woman.
—Has the little boy passed P. E. test? —He has tried twice and the teacher will allow him to have third try.
—I am wondering if we could go boating on the weekend. —It a good idea.
The building around the corner caught fire last night. The police are now____ the matter.
The man who was being followed stopped from time to time ____ he wanted to tie his shoelaces.