问题描述：
I、用情态动词、what或者是how填空.
1.Do I have to come back tomorrow
Yes ,you _______.
2.Mum ,may I go to my friend's birthday party
Certainly .But you _______ be back by ten o'clock .
3.________ nice holiday Jane and betty have had .
4.Lucy is always ready to help others .
_____ lovely the girl is
5.______ lucky you were to see the famous star at that stage .
1.Do I have to come back tomorrow
Yes ,you _______.
2.Mum ,may I go to my friend's birthday party
Certainly .But you _______ be back by ten o'clock .
3.________ nice holiday Jane and betty have had .
4.Lucy is always ready to help others .
_____ lovely the girl is
5.______ lucky you were to see the famous star at that stage .
问题解答：
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