I shall have a companion in the house after all these （ ） years．

Scientists now have some surprising answers about whether brain power（ ）as we get older.

Without the sun’s light （ ） the earth’s surface, no life could exist on the earth.

After a three-hour heated discussion, all the members in the jury reached the conclusion that the man was_____of murder.

I don’t like to _____ a room with a stranger.

I’m not used to （ ） in that impolite way.

Language belongs to each member of the society, to the cleaner（ ） to the professor.

To be frank, （ ） is a great relief to have the task fulfilled in so short a time.

We like our English teacher because she often tells （ ） funny stories in class.

It was Thomas Edison that （ ） the electric lamp.

Jean did not have time to go to the concert last night because she was busy （ ） for her history examination.

The hotel couldn’t offer （ ） for all four of us.