The police are still unable to come to a (conclude) ______ as to the cause of his death.

A．They like going to the zoo.
B．They like to go to the beach.
C．They dislike going to the zoo.
D．They want to visit the zoo by themselves.

A．His back hurt during the meeting.
B．He agreed that it was a good meeting.
C．The plan should be sent back.
D．Her support would have helped this morning.