—This returned Chinese scholar has become one of the top experts in this field.—Yes , I know him very well. He ___________ in Africa with wild animals for eight years.
#104287
A
has worked
B
had worked
C
worked
D
has been working
推荐题目
(2013·高考天津卷)The water supply has been cut off temporarily because the workers ________ one of the main pipes.
#99708
A
had repaired
B
have repaired
C
repaired
D
are repairing
The latest unemployment figures will _______ next week
#101128
A
declare
B
be declared
C
be announced
D
broadcast
The teacher,with 6 girls and 8 boys of her class, ____visiting a museum when the earthquake struck
#102264
A
was
B
were
C
had been
D
would be
I would have gone to my cousin’s birthday party last night, but I ______ available.
#100506
A
was
B
had not been
C
was not
D
would not be
After the class，the students went out of the classroom one by one, but only Mary______.
#104330
A
left
B
hadleft
C
wasleaving
D
wasleft