Years after the accident he was still （） by images of death and destruction.

单项选择题The relatives of those killed in the crash got together to seek （）.

A．premium
B．compensation
C．repayment
D．refund

单项选择题At first everything went well with the project but recently we have had a number of （） with the machinery.

A．disturbances
B．setbacks
C．outputs
D．distortions