Playing QQ’s “Happy Farm by planting, watering, fertilizing, spraying, harvestin

 PlayingQQ’s “Happy Farm” by planting, watering, fertilizing, spraying, harvesting andselling of virtual vegetables, fruits and flowers, we can find out ________ allthe excitement is about.

A.that                 B.if                       C.what                    D.when

试题答案

【答案】

C

【解析】