His sister left home in 2009, and__since.
#101520
A
had not been heard of
B
has not been heard of
C
had not heard of
D
has not heard of
推荐题目
---Alice, why aren’t you at work today?---I ________a day off.
#101265
A
have given
B
had been given    
C
gave
D
was given
He______to several European counties so far.
#103236
A
was
B
has been
C
had been
D
will be
With more forests being destroyed in that area, huge quantities of land _______ deserts each year.
#101306
A
has been turned into
B
had been turned into
C
is being turned into
D
are being turned into
All the task __________ ahead of time, so they decided to go on holiday for a week.
#102577
A
having finished
B
had finished
C
having been finished
D
had been finished