句型转换（高手来!速度!）1.Thisis his baseball.（改为否定句）2.Is that her pencil case?（做否定回答）3.This is _ a_ _ring_ in English.（对划线部分提问）4.My computer is black.（改为一般疑问句）5.I spell it“R-U-L-E-R”.（对划线部分提问）

Thisis his baseball.（改为否定句）Thisisn't his baseball.
2.Is that her pencil case?（做否定回答）No,it isn't .
3.This is _ a_ _ring_ in English.（对划线部分提问）What's this in English?
4.My computer is black。（改为一般疑问句）Is your computer black?

1.Thisis（not )his baseball.（改为否定句）
2.Is that her pencil case?（做否定回答）no, it isn't.
3.This is _ a_ _ring_ in English.（对划线部分提问）What's this in English?
4.My computer is black。（改为一般疑问句）Is your computer black?
5.I spell it“R-U-L-E-R”。（对划线部分提问）What do you spell it?

1.This is his baseball.（改为否定句）
This isn't his baseball.
2.Is that her pencil case?（做否定回答）
No,it isn't.
3.This is _ a_ _ring_ in English.（对划线部分提问）
What is this in English?
4.My computer is black.（改为一般疑问句）
Is your computer black?
5.I spell it“R-U-L-E-R”.（对划线部分提问）
What do you spell it?