He set up in business（）his own and was very successful.

The country’s chief exports are coal, cars and cotton goods, cars _____ the most important of these.

This missile is designed so that once _____ nothing can be done to retrieve it.

青年女性李××，平素体健，三日前突受惊吓，先心悸易惊，作卧不宁，少寐多梦，舌苔薄白，脉弦治疗宜选

He was lured into a crime he would not ____________have committed.