1 Complete the sentences with the words in the box. 用方框中的单词补全句子。
sale discount earn bill cash donate
(1) Many stores sell their membership cards. If customers sign up for a membership, they may get a certain .
(2) During a big in a shopping mall, a store may offer a "buy one get one free" deal to attract customers.
(3) After we finish eating in a restaurant, the waiter brings the . We can pay in different ways, such as in , by card or via mobile payment.
(4) Some students try to pocket money by doing chores at home. Later, they may money to charities to help people in need.

(1) discount
(2) sale
(3) bill; cash
(4) earn; donate

(1) 句意为“许多商店出售会员卡。如果顾客注册会员，他们可能会得到一定的______。”结合常识，会员通常有折扣，“discount”意为“折扣”，符合语境。
(2) 句意为“在购物中心的大型______期间，商店可能会提供‘买一送一’的优惠来吸引顾客。”“sale”意为“促销活动”，“big sale”是常用搭配，指大型促销。
(3) 第一空，在餐厅吃完饭后，服务员会拿来账单，“bill”意为“账单”；第二空，“in cash”是固定搭配，意为“用现金”，与“by card”“via mobile payment”并列。
(4) 第一空，“earn pocket money”意为“赚零花钱”，符合“通过做家务”的语境；第二空，“donate money to charities”意为“向慈善机构捐款”，符合“帮助有需要的人”的语境。

2 Listen to the conversations and choose the possible relationship between the speakers. 听对话，选择说话者之间的关系。


A. Teacher and student
B. Customer and shop assistant

C. Classmates
D. Mother and son
(1) (2) (3) (4)

(1) A
(2) B
(3) C
(4) D

(1) 根据题图和对话内容选择对应关系，第一幅图是老师与学生，因此选择A。
(2) 第二幅图是顾客与店员在服装店，因此选择B。
(3) 第三幅图左边是两个拿着书本的学生，是同学关系，因此选择C。
(4) 第三幅图右边是女士与一个男孩，是母子关系，因此选择D。