问题
选择题
The teacher praised me for ________ progress I'd made, which was ________ great encouragement to me.
A．the; /
B．the; a
C．/; a
D．/; /
答案
答案：B
B 句意：老师因为我取得的进步而表扬我，这对我是一个很大的鼓励。progress后有定语从句修饰，意为“我取得的进步”，为特指；第二空a great encouragement意为“一件很鼓舞人的事情”，此处encouragement为可数名词，故选B项。