题目内容
— _________ do you have an Art Festival in your school? — Once a year.
A.How long | B.How often | C.How far | D.How soon |
B
四个选项分别表示多长、多久一次,问频率、多远和多久。根据答语每年一次,选B.
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A.How long | B.How often | C.How far | D.How soon |