句型转换。 1. They're blue. (就画线部分提问) ______
题型：句型转换
问题：
句型转换。
1. They're blue. (就画线部分提问)
_____________ _____________ are they?
2. My father's father is seventy-six years old. (变否定句)
My father's father _____________ seventy-six years old.
句型转换。
1. They're blue. (就画线部分提问)
_____________ _____________ are they?
2. My father's father is seventy-six years old. (变否定句)
My father's father _____________ seventy-six years old.