Nowadays，more Chinese provinces________education reforms that will allow children of migrant workers to sit college entrance exams locally.

Our team leader told us more than one answer to the exercise _____ possible.

—— Bob has gone to California.—— Oh, can you tell me when he _____?

Before taking the photo ,_______ the focus of the camera.

–I’m sure John ____ the first prize in the final. –I think so. He ____ for it for months.