读对话，回答下列问题。
Jack：Hi，Tom! What do you usually do on the weekend?
Tom：I usually visit my grandparents or old friends．
Jack：Who did you visit last weekend?
Tom：I visited my grandparents last Saturday．
Jack：What did you do for them?
Tom：I washed clothes for them and cleaned their rooms．
Jack：You're very helpful．
Tom：What about you，Jack?
Jack：Last Sunday，I went to Disney World with my parents．We had a good time，but it is expensive．
Tom：That's very interesting．I'll ask my father to go there，too．
（1）What does Tom usually do on the weekend?
（2）When did Tom visit his grandparents?
（3）What did Tom do for them?
（4）What did Jack do last Sunday?
（5）What will Tom ask his father to do?