Professor Smith gave us a speech last month, ______he expressed his concern about the current global economic trends.
.The last thirty years _____ the greatest number of laws stopping our rights and progress. Until today we have reached a stage _______ we have almost no rights at all.
.The field research will take Joan and Paul about five months; it will be a long time _____ we meet them again.
.--- Have your working conditions improved? --- No, _____ than before, I’m afraid.
.The Professor in the end decided to give the prize to____he believed had a good sense of English.
.The language used in advertisements differs from _____ used in ordinary readings.