按要求完成句子。
1.There is an apple in the basket. (改为复数句)
There _____ some _______ in the basket.
2.There is some chocolate on the plate. (改为一般疑问句)
_____ there ______ chocolate on the plate?
3.There are lots of tigers in the zoo. (改为一般过去时)
_________ _________ lots of tigers in the zoo。
4.There is a book in my bag. There is a pencil-case in my bag, too. (合并为一句话)
_______ ________ a book and a pen-case in my bag.
5.There were some men in the shop. (改为否定句)
There ________ ________ men in the shop.