Question

（2007，兰州，22）He used to ________ in the sun, but now he is used to ________ at night.

1. A.
   read, read
2. B.
   reading, read
3. C.
   read, reading
4. D.
   reading, reading

Answer 1

C
考查词组。句意为：他过去常常在阳光下读书，但是现在他习惯于晚上读书。used to do的意思是“过去常常干某事”；be used to doing的意思是“习惯于干某事”。因此排除A、B、D选项。