---- Do you think it's a good idea to make friends with your students? ---- _____ , I do.I think it's a great idea.
Life in that poor town is _______ a bed of roses.
Last night we met with _________ accident on the way home.
Today,we'll discuss a number of casesbeginners of English fail to use the language properly.
I___there little more than a week when I set to work with the scientist.
—____when has the country been open to international trade? —1978,I suppose.