In order not to be disturbed, I spent three hours _______ in my study.
| A．locking | B．locked | C．to lock | D．to be locked |
He has devoted all his life ______ the homeless children.
| A．to helping | B．helping | C．to help | D．help |
In the end, Japan and Korea reached the point ___ both sides sat down and had a peaceful talk.
| A．where | B．that | C．when | D．which |
The police are offering a(n) ______ for anyone who can give information about the trafficaccident.
| A．attention | B．prize | C．reward | D．gift |
— Have you been here before?
—Yes. This is the third time that I ______ to Shanghai.
| A．come | B．came | C．have come | D．had come |
Mike was ______ to be in prison for 5 years because of what he had done.
| A．sentenced | B．requested |
| C．allowed | D．persuaded |