26After having finished mopping the floor, he puts the mop back ______ it belonged

What does the boy like—______ his father he _______ eating mangoes.

He asked me for this book many times. Please tell him that he _____ have it tomorrow.

.Slang words (俚语) are made _____ special groups,such as workers and musicians

The researchers who study jokes want to know peoplefrom different nations and cultures find funny.