单元加餐练

[基础过关卷]

Ⅰ.单句语法填空

1.Tomhas__been__preparing(prepare)carefullyfortheEnglishexamination，sothathecanbesureofpassingitathisfirstattempt.

2.Hegotuplateandhurriedtohisoffice，leaving(leave)thebreakfastuntouched.

3.Socialnetworkingmakesiteasierforpeopleto__keep(keep)