用所给词的适当形式填空 1.Hello Kitty ------(wave) to the visitors while she -------(dance) to the music2.The doorbell ----(ring) while we -----(talk)on the phone yesterday.

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用所给词的适当形式填空 1.Hello Kitty ------(wave) to the visitors while she -------(dance) to the m
usic
2.The doorbell ----(ring) while we -----(talk)on the phone yesterday.

waved
was dancing
ringed were talking