1 Froggy is brave .改否定句,意思不变.
The desk is hard(改否定句,意思不变)
1 They are hungry 否定句 意思不变 2 Tom is a young doctor 否定句 意思不变
shut the door,please(改否定句,意思不变)
改否定句,使句子的意思不变
这件事他做错了,改否定句,意思不变
please sit down..改否定句但意思不变
每个人都应该遵守交通规则 改否定句意思不变
My hair is short(改成否定句,意思不变)
he is happy 改成否定句 但意思不变
This knife is blunt.改为否定句,意思不变
This apple is sweet.改成否定句,意思不变
It is bad for your teeth.否定句意思不变