Betty will ring me up when she _______ in Beijing.

A．arrive                  B．arrives

C．arrived                  D．will arrive

I called you, but nobody answered. Where_______ you?

A．is                   B．are

C．was                  D．were

Our country ______the sixth population census(人口普查) already.

A．finished                      B．has finished

C．will finish                   D．finishes

— Mr. Lee   to a student when I entered the classroom this morning.

—He is very patient   he is young.

A．talking; but                         B．talks; though

C．was talking, though                   D．talked, however

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