--- I have trouble _______ my new computer.---Don’t worry. I’ll show you how _______it.A. using; using B. to use; to use C. using; to use
I feel sad. My grandfather’s leg is _______.
You can’t buy all the things _______your list.
—________ shorts are they?—They are my shorts.
— Your pencil case is nice.—__________.
—Paul , please take this CD to ______ English teacher .—OK .