初中英语选词完成句子单选题

--          her books?
--They are in her bag.

A．What are

B．Where is

C．What is

D．Where are

--- ____ does her brother improve his English?
--- He improves it____ asking the teacher for help.
A. How; by  　B. What ; with  　 C. Why; by

--- ____________  does your father go to work?
--- Five times a week.

A．How long

B．How soon

C．How often

D．How many times