题目内容：

 

1._________(突然), a ball hit me on the head just now.

2.The players__________(进入) the room and cried .

3.Lucy put the _________(垃圾) in the bin.

4.Which__________(时期) of history would you like to live in?

5.It's too________(吵闹的) outside．Please close all the doors and windows．