The Great wall is the only one of the buildings on the earth_____ seen from the moon.
. --- 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.
. It was a pity that the great writer died _____ his work unfinished.
. Two more hours, _______ we will finish the work.