一、单项填空 (共15小题; 每小题1分, 满分15分) 1.— don’t forget to feed the cat while i’m away. — no, i ______. a. don’t b. won’t c. can’t d. didn’t 2. with a ______ expression on her face, she is ______ about what to do next. a. puzzled; puzzling b. puzzling; puzzled c. puzzled; puzzled d. puzzling; puzzling