Mrs.Weng came back from France in 2010. She _________ there for four years.
A．works B．worked C．has worked
．It’s difficult for me to decide which one to choose, because ____ of them are good.
A．neither B．both
C．either D．each
My first teacher，Ms Yao，was very strict with________.
A．us B．we
C．our D．ours
Lily and her sister look the same. I can't tell one from_______.
A．other B．another
C．the other D．others
There are many flowers and trees on ______sides of the Century Road.
A．each B．every
C．both D．all
--Do you have enough students to clean the laboratory?
--No, I think we need____________ students.
A．another B．two others
C．more two D．two more
