句型转换。
l. They're used for seeing in the dark.(改为否定句)
They ______ for seeing in the dark.
2. Liu Wei dong wanted to make Xiao y u happy.(改为一般疑问句)
______ Liu Wei dong ______ to make Xiao y u happy?
3.The potatoes are too salty.(改为感叹句)
______ ______ the potatoes are !
4. Chinese people invented the abacus in the sixth century.(改为被动语态)
The abacus______ ______ in the sixth century______Chinese people.
5. The children have never seen an Indian film, ______ ______?(完成反意疑问句)
