题目内容:
I would appreciate _______ very much if you could send me a few copies of the mechanic design of your new model.
A.it
B.that
C.this
D.you
参考答案:
答案解析:
I would appreciate _______ very much if you could send me a few copies of the mechanic design of your new model.
A.it
B.that
C.this
D.you