Section D
1. I couldn’t read it until today.
否定句 until．．． 表不能做某事，直到什么时候才能做。 如:
I can’t help you until you tell me the truth. 我不能帮助你，直到你告诉我真相我才帮你。
2. My sister is also sick.
Sick和ill 都表“病的“，但sick 即可以作定语也可以作表语，如：①a sick girl; ②The girl is sick. 而ill只能作表语，如：The girl is ill. 因此sick>ill.
3. Don’t worry about us.
worry about sth./ sb. 为… 担心
4. You should drink plenty of boiled water.
plenty of = a lot of 许多的；大量的, 可接可数名词的复数或不可数名词
5. How are you feeling today? 你今天感觉如何？---Much better. 好多了。
6. But my left leg still hurts when I move it. 但是我的左腿仍然痛，当我动的时候。
hurt ①疼痛：My leg hurts ②伤害 He hurt his leg when he fell.
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