1．We are currently ________ (寻求) new ways of expanding our membership.
答案：seeking
2．Where would be the best ________ (位置) for the lights.
答案：position
3．Share prices ________ (暴跌) to an alltime low yesterday.
答案：crashed
4．The building was completely ________ (摧毁) by fire.
答案：destroyed
5．We can ________ (测量) the energy that food provides in calories.
答案：measure
