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
— Have you ever been to Canada?
— Yes, I there last year with my parents.
A．have been
B．have gone
C．went
D．Go
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
