句型转换：按要求改写下列各句。
1. Joan had a cold yesterday.（改为否定句）
Joan________ ________ a cold yesterday．
2. His father got angry.（改为一般疑问句）
________ his father ________ angry?
3.What’s wrong with you? （写出同义句）
What’s ________ ________ with you?
4. His mother went to Japan by air.（对画线部分提问）
________ ________ his mother ________ to Japan?
5. Take this medicine, you'll be fine soon.（写出同义句）
If you ________ ________ this medicine, you won't be fine soon.
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