先用动词的适当形式完成下列各句时态
Theyall_________(enjoy)themselves
Look,twoboys_________(play)withyo-yos.Agirl_________(fly)akite.Twochildren_________(repair)atoyboat
Nearthelake,somemen_________(fish).Somewomen_________(sunbathe).Somechildren_________(practise)_________(swim)inthelake.Aman_________(windsurf)
There_________(be)alakeinthepark
It'sfineSundaymorning
Therearemanypeopleinthepark.
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