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Every morning, kids from a high school are working hard. They are ____ and selling special coffee at a coffee shop. They are also making a lot of money.
These students can make up to nine____ dollars a day. They are selling their special coffee to airplane passengers. After the students get paid, the ___ of the money goes to a local youth project.
These high school students use a space in the Oakland airport. It is _____ very crowded. Many people who ____ on the planes like to drink the special coffee.
One customer____that the coffee costs a lot but it is good and worth it. Most customers are pleasant but some are unhappy. ___ do not like it if the coffee cafe is not open for business.
The students earn $ 6.10 an hour. They also get school credit while they learn ___ to run a business. Many of the students enjoy the work ___ it took some time to learn how to do it.
They have to learn how to heat milk, load the pots, and add flavor. It takes some skill and sometimes ____ are made. The most common mistake is forgetting to add the coffee.

科目 英语   题型 单词拼写   难度 中等

知识点： 语法选择