试题 试卷
题型：单选题 题类：常考题 难易度：普通
——Yes, I know that a big one can weigh over 300 kilos.
— Four times a month.
— I like tennis and volleyball best
{#blank#}1{#/blank#} {#blank#}2{#/blank#} tickets do you have to buy?
{#blank#}1{#/blank#}?
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