句型转换。

1. This is a very interesting storybook. (改为同义句)

This is ______ interesting storybook.

2. They are going to take a taxi to the bank. (对画线部分提问)

______ ______ ______ ______ are they going to the bank?

3. Where does she come from? I want to know. (合并为一句)

I want to know ______ ______ ______ from.

4. Betty's last trip was pretty good. (对画线部分提问)

______ ______ Betty's last trip?

5. Do you enjoy traveling by train or by airplane? Why? (根据实际情况回答)

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