句型转换。
1. The students are looking at the blackboard. (就画线部分提问)
______ ______the students ______?
2. We are eating lunch at about twelve. (就画线部分提问)
______ ______ you lunch?
3. He wants to play soccer this Sunday. (变为一般疑问句)
______ he ______ ______ ______ soccer this Sunday?
4. Jane wants to go to the library. (就画线部分提问)
______ ______ Jane ______ to go?