________ cleaning the yard and making up the beds for the old, we also read newspapers for them and had chats with them.

When we finally arrived, a lady gave us a _______ introduction of the university.

Another cup of coffee—No, thanks. I _____ be off. Mary is waiting for me.

Iraq, as anybody can see, is not winning the unfair war at all, is it– ______.

It was during the Ming Dynasty________the Great Wall was repaired and extended to take on the appearance it has today.