根据句意,在答题卷标有题号的横线上写出单词的适当形式。
Should we eat ________ (little) meat and eat more fruit and vegetables?
Mum, could you help me cut the apple into two ___________(half)?
At weekends, I often go to my __________ (grandparent) home to visit them.
My father always goes running in the park __________(two) a week.