( ) 1. —Is this your friend’s sister? —______________
A. Yes, it is B Yes, it’s C Yes, she is D Yes, he is
( ) 2. —What ________ telephone number?
—It’s 210-5674762.
A. are you B. is your C. are your D. your is
( ) 3. Please call Mary ________ 354-6403.
A. in B. at C. to D. of
