Robert is said ______ abroad, but I don’t know which country he studied in.
#96019
A
to have studied
B
to study
C
to be studying
D
to have been studying
推荐题目
She pretended _______ me when I passed by.
#96334
A
having not seen
B
not seeing
C
to not see
D
not to see
She became fatter and fatter, so the doctor advised her _____________.
#95837
A
losing weight
B
to lose weight
C
to keep weight
D
to gain weight
_______ the programme, these workers have to stay there for another two weeks. 
#91732
A
Not completing
B
Not completed
C
Not having completed
D
Having not completed