By the time Jack returned home from England, his son  _______  from college.
#100009
A
graduated
B
has graduated
C
had been graduating
D
had graduated
推荐题目
The ambulance was just arriving, for a worker, who ______ the window on the second floor, fell off the window.
#102127
A
had been repairing
B
was repairing
C
has been repairing
D
would be repairing
 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
Judy is going to marry the sailor she ____ in Rome last year.
#104016
A
meets
B
met
C
has met
D
would meet