By the time Jack returned home from England, his son from college.
#101871
A
graduated
B
has graduated
C
had been
D
had graduated
推荐题目
There they met two Indian monks who were Buddhist masters and ______ as educators without salary.
#102525
A
were working
B
worked
C
have work
D
had worked
—Where are the guests to be from tomorrow?—Many an American boy and many a British girl as well as the teachers to he present.
#102956
A
have been invited
B
has been invited
C
were invited
D
was invited
I _____ his telephone number. Had I known it, I would have rung him up.
#100016
A
don’t known
B
didn’t know
C
hadn’t known
D
haven’t known
— Can you answer my question? --Sorry, I____________ . Would you repeat that question?
#103803
A
hadn’t listened
B
haven’t listened
C
don’t listen
D
wasn’t listening
Miss Li _______ as a secretary for five years in the company, and now she is general manager of it.
#100209
A
serves
B
served
C
has served
D
had served