在There be句型中加介词造句

1.can you see it?I can see the teapot.but I can't see the tea.此处can't可以换成don't么，为什么？
2.你们谁要这本书，英语怎么翻？
3.is there any tea in the bag.is there any tobacco in the tin.此处可用some代替any么
4.数字什么时候用分隔符，就十位和个位间用么
5.are there any cups on the shelf?no,there aren't.but there're some in the cupboard.
在some前可+one's么，为什么？
6.out of,jump off,out of, jump out off分别是什么意思
7.Tim's in the garden,but you can't see him,he's behind the tree.此处in换成into,behind换成on可以么
8.The men are standing under the bridge.they aren't walking over it.under换成on可以么
9.do you like ice cream?yes,Ido.I like ice cream,but I don't want any now.此处any可换成one么
10.hours'是什么意思
11.look与watch的区别是什么
12.at all什么意思
13.she is very sad.don't drop from her face.这句话什么意思，sad,drop from he face什么意思，可去掉from直接用drop her face么
14.有in the front of 这个词么，这个怎么用
15.小心！被摔了这个漂亮的花瓶。
be careful!don't drop the beautif