from the top of the tower ,the south foot of the mountain is a sea of trees.
#102030
A
Seen
B
Seeing
C
Having seen
D
To see
推荐题目
 --I hear Michael is in hospital. ----Oh, really? I____know. I______go and visit him.
#103565
A
didn’t; am going to
B
don’t;would
C
don’t;will
D
didn’t; will
--Peter, hurry up! You ______ on the phone.--Oh, I ______. Thank you.
#101065
A
are being wanted; come
B
are wanted; am coming
C
want; come
D
will be wanted; should come
I first met your sister ten years ago, when she ____at a supermarket as a salesgirl. 
#102409
A
has worked
B
had worked
C
was working
D
had been working