问题

e boxes are too heavy for me to move— Here, I’ll give you a hand ____them
A:fill; It’s apleasure
B:fill in; With pleasure
C:fill in; Mypleasure
D:fill in; I’ll be happy to
B:fill in; With pleasure
C:fill in; Mypleasure
D:fill in; I’ll be happy to
正确答案是: