—Everyone except the twins ____________ Beijing.—Oh, their mother is ill, so they have to look after her.
#36180
A
have been to.
B
have gone to.
C
has been to.
D
has gone to.
推荐题目
My aunt left her office after she __________ her work. 
#37970
A
had finished
B
finishes
C
has finished
D
was finished
What         you         at this time yesterday?
#41896
A
do, do
B
have, done
C
were, doing
D
are, doing
 There      serious air pollution if people use more and more cars.
#36558
A
has
B
will be
C
will have
D
are going to be
---Pardon? I _____ quite catch you.--- I said I ______ the song before. 
#39608
A
didn’t, hadn’t heard
B
don’t, didn’t hear
C
didn’t, didn’t hear
D
won’t, hadn’t heard