根据下列句子及所给汉语注释，在空缺处写出各单词的正确形式（每空一词）。
If you are ill, you should take some ____________ (药) and have a good rest.
They’re ____________ (计划) to go to Beijing next weekend.
The 2013 New Year’s Concert is going to be a ____________ (创新的) show.
I ____________ (写) her some letters, but she didn't write to me.
I’m going to eat        (更少的) food.