简述幼儿说谎的几种主要情形。
Ihaveapenfriend,andwealwayssende_____toeachotherbycomputer
Lookatthesign.Thelibraryis_____(close)from1:00p.mto2:00p.m.
有①氨水②NH4Cl溶液③Na2CO3溶液④NaHCO3溶液各25mL,物质的量浓度均为0.1mo1/L,下列说正确的是
She_____(like)toplaytheflute.
__________thereanyapplesinthekitchen?