Are there ______ books in the box–Yes, there are ______.

The little boy pretended _______ when his mother came in.

I’m a teacher. I’m always very ______ withmy work.

Why do many people keep dogs as pets?—Because they are our ____ friends and they never desert their masters.

_______ to looking after three children at home,she no longer has time to enjoy the various activities in the club.