What color are their pencil cases?
What color are their pencil cases?
阅读理解 what color are their pencil cases
用color,are,what,pencil,cases,the连词成句
句型转换those are their pencil cases.
Those are pencil cases.(对pencil cases提问)
Then what color are their sweaters.
there cases are their friends
what color is their hair还是what color are their hair
Here are two pencil cases----you
what color are their hair?hair加不加s
Those are Rose's pencil-cases.(用whose提问)
THese are orange pencil cases (改为单数句)