题目内容：

根据中文提示,完成横线所缺单词,每空一词。(本大题共10分，每空2分)

1.My parents bought many ________________（礼物）for us on Children’s Day.

2.We _____________（唱）an English song last class.

3.His leg ____________ (伤害), so he can’t run.

4.Tom had a _______________ (牙痛) last night.

5.Sarah feels unhappy, because she’s _______________（重）than before