问题补充:
--Would you be to help me with my study?---Ill be very glad it.
A. too kind, doing
B. very kind, doing
C. as kind as, to do
D. so kind as, to do
答案:
A. too kind, doing
B. very kind, doing
C. as kind as, to do
(答案→)D. so kind as, to do
解析:be so kind as to do意为:请费心, 答语中的glad后跟不定式.