问题
选择题
He used to ____in the sun, but now he is used to ____at night.
A．read; read
B．reading; read
C．read; reading
D．reading, reading
答案
答案：C
题目分析：be used to sth习惯于某事;used to do sth过去常常做某事.句意:他过去常常在太阳底下读书，但是他现在习惯了在晚上读书。故选C。
点评：used to用法比较固定，需要注意use还可以作为被动语态使用，sth be used to do sth某物被用来做某事。