My father has a computer, but he doesn’t know to use it. A. what B. how C. who
They ______ the cat out for a walk now.
—easy work it is!—If you work harder, it’ll get .
Did you watch Lucy _______ yesterday?
This book _______ Lucy’s . Look! Her name is on the book cover(封面).
You can’t play with your rabbit ______ you finish your homework.