Vocabulary today (feedback please)

水果：fruit (shui guo)
桃：peach (Tao)
桃是水果：peaches are a fruit (Tao shi shui guo)
梨：pears (li)
梨是水果：pears are a fruit (li shi shui guo)
吃：to eat (chi)
女孩们在吃梨：girls are eating pears. (nv hai men zai chi li)
她们在吃梨：they (female?) are eating pears. (ta men zai chi li)
男孩们在吃桃：boys are eating peaches (nan hai men zai chi tao)
喝：drink (he)
水：water （shui）
男孩们在喝水。：boys are drinking water. (nan hai men zai he shui）
茶：tea （cha）
就：wine （jiu）
我在喝酒：I am drinking wine(wo zai he jiu)