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
With the development of science, more new technology ______to the field of IT.
#102065
A
has introduced
B
is being introduced
C
is introduced
D
was introduced
―Look! It looks as if it _______ going to rain. We must hurry.―OK.
#104510
A
was
B
is
C
were
D
will be
I________all the cooking for my family，but recently I've been too busy to do it.
#99188
A
will do
B
do
C
am doing
D
had done
--- It’s a shame that you missedthe lecture on the British culture given by Thompson.--- I _________ it, but I was busy preparing the coming exam.
#100027
A
attended
B
had attended
C
would have attended
D
would attend