找出下列单词中不同类的词，并将其序号填入题前括号内：
（1）A. what B. where C. that D. who
（2）A. policeman B. science C. uncle D. engineer
（3）A. show B. bat C. peel D. cut
（4）A. Ottawa B. Beijing C. England D. Washington
（5）A. tomato B. apple C. lemon D. kiwifruit
_______ you run fast? Yes, I can.
A. DoB. CanC. Are
Ben is showing ____ his stamps .
A. they B. theirC. them
------ _______ Su Hai and Su Yang like growing flowers?
-------- Yes. They have the same hobby.
A. DoB. DoesC. Are
----- What’s your father’s hobby?
------ He likes ____________.
A. play chess B. plays chess C. playing chess
Can you make a dress for __________ sister?
A. HelensB. Helen’s C. Helen