It is important that the boy （ ） an adult to take care of him.

I’m pleased to tell you that the fax machines you ordered are _____ now.

I recognized John （ ） he entered the room.

I’d like to see him in my office （ ） he arrives.

He （ ） me to give up the holidays in Spain next month.

Do you mind if I （ ） the mistakes in your report?

（ ） five hundred people are believed to have drowned.

Only those who have tasted bitterness will （ ） among others.

（ ） he will come is doubtful.

A new technique （ ）, the output as a whole increased by 20 percent.

They always give their vacant seats to （ ） comes first.

My job as a research assistant is very specialized_____, which demands a lot of academic knowledge.