It disappointed his parents___he had failed to pass the exam for ______third time.

He kept silent over the matter because he had no intention to risk ______ in it. [ ]

For years the government of that country________their responsibility when it comes to the mentally ill

Has the Wuhan-Guangzhou high-speed railway been put into use?。– YesThe last train for Guangzhou _________ at seven fifteen in the evening

He hadn’t worked hard at his lessons．_______, he failed in the exam．