30. We want to make a fruit salad. We need ice cream.A. two kilos of B. two slices of C.

问题补充：

30. We want to make a fruit salad. We need ice cream.

A. two kilos of B. two slices of C. two teaspoons of

答案：

解析：根据语境可知此句的含义是我们想做水果沙拉，我们需要两匙冰激凌。有选择项的提示可知A表示两公斤，B表示两片，C表示两匙，故选C。