题目内容
句型转换
These runners are thirty dollars.
________ ________ are these runners?
These bottles are full. They aren't empty.（变为选择疑问句）
________ those bottles full ________ empty?
These old things on display in the museum were found in the Gobi Desert by a group of scientists in 1920s. (变为特殊疑问句)
________ ________ these old things on display in the museum ________ in the Gobi Desert by a group of scientists?
These potatoes are six yuan. (对画线部分提问)
________ ________ are these potatoes?
These are envelopes.
________ ________ ________ ________.
