1. The invigilator did not know whether to report the student for cheating
or warning her first. 其中warning 错了，请问该怎么改才对?
2. The new computers are equipped not only with an element for
foreign languages but also a key for correcting errors automatically.
其中a key 错了 请问是改成 with a key吗?若是 with为何不可省略?
3. Please forward me the smallest, most recently published, and
less expensive one that you have available. 请问less要改成什么?
感谢高手不吝解答!!!