—Have you ever been here before?
—No. This is the first time that I ______ to the Great Wall.
A．comes B．have been
C．came D．had come
Oh, I'm not feeling well in the stomach. I ______ so much fried chicken just now.
A．shouldn't eat B．mustn't have eaten
C．shouldn't have eaten D．mustn't eat
After hospitals buy expensive equipment,they must try to __________ the money they had spent.
A．recover B．reduce
C．remove D．receive
She had a bad cold, but luckily began to _______ soon.
A．recover B．control
C．lose D．reduce
Iraq has _______ too many wars since the 1990s, making his people _______a lot.
A．got through; suffer from B．looked through; suffering
C．gone through; suffer D．passed through; suffered
______ such a heavy loss in the earthquake, they got help from all over the world.
A．Suffer B．Having suffered
C．Suffered D．To suffer
