By the time Jack returned home from England, his son. from college.
#102659
A
graduated
B
has graduated
C
had been
D
had graduated
推荐题目
—Can I drive on the free way, Mr．Green?—You can when you____________ a bit more skilled．
#103715
A
will get
B
are getting
C
will have got
D
get
--The window is dirty.----I know. It ______ for weeks.
#101363
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
Do you know a concert _____ in our hometown next month?
#99922
A
will be held
B
is going to be held
C
is to be held
D
all A, B, C
Robin ________ volleyball quite well, but he hasn’t played it since he entered senior high school.
#103006
A
is playing
B
had played
C
used to play
D
plays
Progress _____ so far very good and we are sure that the work will be finished on time.
#104200
A
was
B
had been
C
has been
D
will be