What colour are your socks ?They ___________ white.
A. is B. are C.do
What ___________ is it ?It's 4 o'clock.
A. colour B. time C. class
What is your sister name? ___________ name is Mary.
A. Her B. My C. She
Where is the computer room It's on ___________ (二楼).
A.the third floor B.the first floor C.the second floor
英语询问"现在几点了"：___________
A.What is it? B.Who is that? C.What time is it?