——_________ abroad for 10 years, he went back home.
#96758
A
Working
B
Having worked
C
To work
D
Worked
推荐题目
There is ____ Mr. Smith at the door who wants to speak to you.
#90511
A
a some
B
certain
C
some a
D
a certain
A new technique ____ out, the yields (收成) increased by 20% .
#98832
A
having working
B
having been working
C
has worked
D
had been worked
He found them _____ at a table ____ chess.
#93983
A
sat; to play
B
sitting; to play
C
seated; playing
D
seat; playing
Now young people ___________to use computer to develop their ___________skills.
#95486
A
are trained/ problem solving
B
are being trained/ solving problem
C
are being taught/ problem solving
D
are taught/ solving problem