1.learn a lot学到很多,  again再一次,  pool游泳池,池塘,  relaxing令人轻松的,  study hard努力学习,  Europe欧洲,  mountain山,高山,  call打电话,称呼,  a lot许多,大量,  spend度过,花费,  visit拜访,参观,  surf the net上网,  fanatic狂热者,  tease逗,取笑,  naughty顽皮的,  fluffy毛茸茸的.

2.I think you can learn a lot in class.

   我认为你可以在课堂上学到很多东西。

   I am very happy to see you again. 

   很高兴再次见到你。

   Is she sitting by the pool with her mom?

   她和她妈妈坐在泳池边吗?

   Sitting down after a walk is relaxing.

   散步后坐下来很放松。

   We study hard and play hard.

   我们努力学习，努力玩耍。

   My cousin is traveling in Europe now.

   我表弟现在正在欧洲旅行。

   I plan to climb a snow mountain this winter vacation.

   我计划这个寒假去爬一座雪山。

   Call me when you finish your homework. 

   你完成作业后给我打电话。

4.A:  Hello!

   B:  Hello! 

   A:  Are you looking for something?

   B:  I am looking for ……….. Which one do you recommend?

   A:  I recommend ………., it is ………

   B:  I like this style, do you have any other colors?/ 

        Do you have any other styles?

   A:  Yes, we have ………./ Yes, we have this …….., it is ……..

   B:  May I try it on?

   A:  Sure, what size do you wear?

   B:  I wear a/an ……….

   A:  Here you are!

   B:  Where is the fitting room?

   A:  It is over there!

   A:  How is it?

   B:  It is too ………, do you have a …….. one?

   A:  Yes, we do. Here you are.

   B:  It fits me perfectly! How much is it?

   A:  99 dollars, please.

   B:  It is too expensive, can you give me a discount?

   A:  sure, it is ……….. dollars./ Sorry we can’t.

   B:  Ok, I take it. Would you wrap it, please?

   A:  Sure, just a moment. Would you like to pay in cash or with a credit card?

   B:  I would like to pay in cash/with a credit card.

   A:  Here you are.

   B:  Thank you so much, have a good day.

   A:  Have a good day!