Fill in the blanks with the proper words given below, changing the form if necessary. 1) The world leaders outlined joint efforts to ____________ the spread of nuclear weapons. 2) He didn’t look nervous. If anything, he looked only slightly ____________. 3) You can ____________ the last two sentences in the report. 4) Health and understanding are the two great ____________ of life. 5) The amount of money spent on the design of ____________ advertising on television is still small. 6) The noisy traffic is a continual ____________ to the citizens. 7) To our great _________________, she did not come as expected that day. 8) In order to notify him, I put the ____________ on his door, but he didn’t come back to look at it.