There is ________ sheep eating grass there.

—I don’t know much about computer.—I don’t know,      . Let’s go and ask our computer teacher for help.

--_______ does she chat with friends on the Internet? --Once a week.

Tom is tall, but his sisters, Mary and Kathy,       short.

----How often were you late for school last term. Lisa? ---- _______. I got to school early every day.