句型转换：1、There is a man in the room .(改为复数） There ____ ____ ____ in the room .
2、There are (some plants) on the floor .(对括号里的内容提问）
____ on the floor
3、I can see some pictures on the wall .(改为否定句）
I ____ see ____pictures on the wall .
4、Please call me Jim .(改为否定句）
____ ____me Jim ,____.
5、(Ann) is doing her homework .(用Ann and Tom 替换括号内的部分）
____ ____ ____ ____ doing ____ homework .