Good a____ ，Helen．
The boy is Tom．His l____ name is White．
Wang Xin's E____  name is Alice．
Nice to m____  you．
Is that your c____  game?
Jane is a teacher in that ____ ．（学校）
Lucy's ruler is____ ．（黄色的）
Your ____ （夹克衫）is nice．
____  （八）is my lucky（幸运）number．
What's your phone____ ?（号码）
How____ （be）Helen?
____ （She）name is Jane．She is my friend．
Hello，____ （me）name is Xiaomi．
His ____ （one）name is Tony．
Please____ （call）685—6034．

There are lots of _____that students have to follow in school.

将N₂、CO、CO₂的混合气体通过足量的石灰水，再通过灼热的氧化铜，再冷却到室温，剩余气体是（   ）