He is very sick. I insist that a doctor __________ immediately.
The scientists are urging that the chemical _____.
“Changes should be made in the prison for the conditions there are _____,” said the reporter.
Mr.Smith was very glad _____ as the manager of the company.
---Have you received Jack’s plan? ---Yes, but I don’t think his plan is _____.
______ history of the Qing Dynasty is _____ history of suffering, also one of being bullied and invaded(欺侮和侵略).