1 . I ___________ (呆住) with fright as the door slowly opened. (根据汉语提示单词拼写)

2 . When I returned, my heart ________ (freeze) to see my house on fire. (所给词的适当形式填空)

3 . Slowly, and with the camera still held to my eye, I turned... and __________ (freeze). (所给词的适当形式填空)

4 . She turned around and _______ (freeze) with terror at the sight of a man with a knife in his hand. (所给词的适当形式填空)

5 . The smile____________________(freeze) on his face when he was told the news. (所给词的适当形式填空)

6 . It’s so cold that even the river has f_______.（根据首字母单词拼写）