---Do you have any good suggestions for our company? ---In my opinion, you should _________ the cost and increase the output.
—Shall we meet tonight? —Sorry,I’m busy.How about_________day?
—I have learned that a large new building will be set up__________the Twin Towers once stood. —So have I.But the American people haven’t yet got over the shock of September 11.
—Didn’t you buy a dress yesterday? —No,__________I liked the colour,I didn’t like its style.
_________ I felt somewhat disappointed and was about to leave,something occurred which attracted my attention.
There is no doubt that he is a good professor__________he is doing fine.