Playing QQ’s “Happy Farm” by planting, watering, fertilizing and harvesting vegetables, fruits and flowers, we can find out _______ all the excitement is about.

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

Playing QQ’s “Happy Farm” by planting, watering, fertilizing and harvesting vegetables, fruits and flowers, we can find out _______ all the excitement is about.

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

Playing QQ’s “Happy Farm” by planting, watering, fertilizing and harvesting vegetables, fruits and flowers, we can find out ______ all the excitement is about.

1. A.
   that
2. B.
   if
3. C.
   when
4. D.
   what

Playing QQ’s “Happy Farm” by planting, watering, fertilizing and harvesting vegetables, fruits and flowers, we can find out _______ all the excitement is about.

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

Playing QQ’s “Happy Farm” by planting, watering, fertilizing and harvesting vegetables, fruits and flowers, we can find out _______ all the excitement is about.