— Did you happen to see _______ black and _______ white cat? — Are they missing? I told you to take care of them.
To fetch water before breakfast seemed to me a rule ________.
The patient was warned ________ oily food after the operation.
—What's the matter with Della? —Well,her parents wouldn't allow her to go to the party,but she still ________.
—Would you like to join me for a quick lunch before class? —________,but I promised Nancy to go out with her.
In my opinion,life in the twenty-first century is much easier than ________.