【正文】
D. is going to read ( )2. ______ your sister good at ____ stories. A. Does, writing B. Is, write C. Is, writing D. Does, write ( )3. After a short break, he keeps on ____. A. work B. to work C. working D. worked ( )4. I hear we are going to have a test, but I am not sure ____ it. A. In B. on C. at D. about D C C B