_______with his graduation design, he has been working in the library for a week.
#97155
A
Having occupied
B
Occupying
C
Being occupied
D
Occupied
推荐题目
He was busy writing a story , only _______ once in a while to smoke a cigarette.
#94052
A
to stop
B
stopping
C
to have stopped
D
having stopped
(2012·天津高考)He got up late and hurried to his office, ________ the breakfast untouched.
#88974
A
left         
B
to leave
C
leaving
D
having left