按要求改写下列句子（每空一词）
(1) Jerry wants to bea doctorwhen he grows up.（对画线部分提问）
Jerry want to be when he grows up?
(2) I'm going to be a pianistby practicing piano every day.（对画线部分提问）
are youto be a pianist?
(3) He is an astronaut now.（用 in five years 改写句子）
Hebe an astronaut in five years.
(4) Ken can play the piano very well.（改为同义句）
Ken isplay the piano very well.
(5) Tom is going to finish the homework on his own.（改为一般疑问句）
Tomto finish the homework on his own?
— Hi,Susan! What are you going to do during the summer holiday?
— I'm going to _____ cooking because I like eating delicious food.
clean up意为“打扫干净”；put up意为“举起；建造；张贴”；take up意为“开始做；学着做；占用”；make up意为“编造”。根据答语中because引导的原因状语从句句意“因为我喜欢吃美味可口的食物”可知暑假期间“我”打算学习烹饪，应用take up。
— It's useless to regret what has been done. Don't make those mistakes again.
— I won't. That's a(n) _____.
名词词义的辨析
句意：—— 后悔已经做过的事情是没有用的，不要再犯那些错误了。—— 我不会了，这是一个承诺（我承诺）。本题考查名词词义辨析。选项A “订单，命令”；选项B “决定”；选项C “许诺”；选项D “承诺”。根据句意可知 “我发誓不再犯那些错误了”。