根据所给提示，完成句子。每空一词，含缩略词。

小题1:There are two bedrooms on the second floor.（对划线部分提问）

________ ________ on the second floor.

小题2:Jane often plays soccer on the playground.（用now改成现在进行时）

Jane ________ ________ soccer on the playground now.

小题3:It’s time for lunch. (改为同义句)

It’s time ________ ________ lunch.

小题4:请你照顾好你的妹妹 (翻译句子)

Please ________ ________ your sister well.

工业上采用的羰基合成催化剂有哪些？