最近我们学校出现了几例流感病例。

There have been a few ___cases of flu in our school recently.

我把眼镜放在这个硬壳盒子里以防压坏。

I keep my glasses in this hard ___case to prevent them from being crushed.

法官正在审理几起重要的刑事案件。

The judge is hearing several important criminal ___cases this week.

在句子'I gave him a book'中，'him'处于宾格。

In the sentence 'I gave him a book', 'him' is in the objective ___case.