1．Mrs.Weng came back from France in 2010. She _________ there for four years.
2．— 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
3．Our country ______the sixth population census(人口普查) already.
A．finished B．has finished
C．will finish D．finishes
4．I called you, but nobody answered. Where_______ you?
A．is B．are C．was D．were
5．Betty will ring me up when she _______ in Beijing.
C．arrived D．will arrive
6．I ______my hometown for a long time, I really miss it!
A．left B．went away from
C．have left D．have been away from