Your floor is dirty. It needs _______.
Dennis___the warning and put his hand into the lion’s cage.
___your score and you will make sure if you have passed the exam.
—I’ll do the washing-up. Jack, would you please do the floors? —______.
In the class of the computer information, there weren’t enough computers for every student, so we___.
When ___ why she cried, the woman still kept___.