用a moment ago改写：1.There is a book in the desk now.2.Is the diary here now?

用a moment ago改写：1.There is a book in the desk now.2.Is the diary here now?
用a moment ago改写：1.There is a book in the desk now.2.Is the diary here now?

用a moment ago改写：1.There is a book in the desk now.2.Is the diary here now?
用a moment ago改写：
1.There is a book in the desk now.
There was a book in the desk a moment ago.
2.Is the diary here now?
Was the diary here a moment ago?
a moment ago ：片刻前,句子用一般过去时