问题补充：
【小题1】I’m very t. Please give me something to drink.
【小题2】If you want to keep fit, you should take more e.
【小题3】There are a few dbetween the twins.
【小题4】Take the mthree times a day and you’ll feel better.
【小题5】We had a singing clast Monday.
答案：
解析：
【小题1】从后面的Please give me something to drink.请给我一些东西喝，说明是口渴了，用thirsty。
【小题2】句意是：如果你想保持健康，就要多锻炼。用exercise。
【小题3】开头字母是d，所以想到填difference，句意是：双胞胎之间有些差异。用复数填differences。
【小题4】句意是：一天吃三次药，你会好起来的。填medicine。
【小题5】句意是：上个星期一他参加了歌唱比赛。用contest“比赛”.
