----This returned Chinese scholar has become one of the top experts in this field.----Yes,I know him very well.He____in Africa with animals for eight years.
#104192
A
has worke
B
had worked
C
worked
D
has been working
推荐题目
---- I hear that Jason is planning to buy a car.---- I know. By next month, he _ enough for a used one.
#101431
A
will have saved
B
will be saving
C
has saved
D
saves
On the bus, all the people except the driver ______ to talk and laugh during the journey.
#102607
A
encouraged
B
were encouraging
C
were encouraged
D
was encouraged
He____ as a national hero for winning the first gold medal for his country in the Olympics.
#104015
A
regarded
B
was regarded
C
has regarded
D
had been regarded
By the time you _________ your work this evening, I will be watching my favorite Korean TV series.
#103127
A
get through
B
had got through
C
will have got through
D
have got through
I ______ the novel by the time you ______ back next week.
#104888
A
have finished, will come
B
shall have finished, come
C
shall be finished, are going to come
D
finish, come