词形变化

小题1:I’m happy because I ___________(choose) to be the host.

小题2:I’ll not go to the party if I ____________(not invite).

小题3:He sat there ____________(silent), without saying anything .

小题4:She likes wearing __________(shine) clothes.

小题5:—What did Jack buy a big cake for yesterday?

—_________(celebrate) his daughter’s __________(twelve) birthday.

小题6:It’s one of __________(simple) questions.

小题7:Look, the rice ____________(grow) well.

小题8:The clothes on the stage are those ___________(perform).

小题9:It’s ___________(hope) to get the ticket, the line is too long.

下图是初中化学中常见物质间的相互转化关系，其中A、C为单质，B、D、E为常见化合物，C是密度最小的气体，甲是最常见的溶剂。

(1)B的名称是________。

(2)A与甲反应的化学方程式为_________________，该反应的基本反应类型是________。

(3)实验室制取C物质的化学方程式为___________________。