根据句意，在答题卡标有题号的横线上，写出单词的适当形式。His father often goes abroad to have meetings, not for _____________ (please).
The palaces all over the country were those ____________ (rule) in the past.
They live at the _______ (south) end of Jiangsu Province.
We can improve your English by using it in daily __________. (communicate)