问题
选择题
I had promised to send him an email_______ I got home but I was so busy that I forgot to do so .
A．while
B．until
C．the moment
D．ever since
答案
答案：C
这题考查连词的用法：the moment“一…就…”，句意是：我许诺一到家就给他发一份E-mail，但我太忙忘了。选C。