I would appreciate _________if you could let me know in advance whether or not you will be coming.  
#16669
A
it
B
you
C
this
D
that
推荐题目
 I want to buy a house,___ with a big garden in front of ___.
#16070
A
the one/ the one
B
one/ it
C
it/ one
D
one/ one
To stay awake, he finished a cup of coffee and ordered     .
#57669
A
the other
B
other
C
another
D
the others
We all decided to try______.
#56867
A
something exciting
B
exciting something
C
anything exciting
D
exciting anything
—— Why did he let you repeat his instruction time and time again? —— ______that I remember what was_____after he went out. 
#16937
A
To see to it;to be done
B
Making sure; to be done
C
To make sure;to do
D
Seeing to; done