I have no difficulty __________ writing, but I have some difficulty __________ pronunciation.
“一骑红尘妃子笑，无人知是荔枝来．”为了使荔枝在短期内保持原有的鲜味和口感，下列哪种保存方法最佳（ ）
— Helen, would you like to go to the park with me?
— .
An elephant has a _____ nose.
