问题

____waiter came up to us andsaid,"You are welcome"
A:as
B:until
C:although
D:if
B:until
C:although
D:if
正确答案是:
同类题型
My grandparent with my parents_____manycolourful flowers .
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Working abroad for years, she has made abig ______ and has started a company of her own.
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-Hi, Tom, whichis the street inyour city -High Street.Many people go shopping there.