She _______ have left school, for her bike is still there.

What a poor boy, he is not the box.

The scientist went to draw some money in the bank in a rush, only that he failed to take the ID card.

Nowadays, scientists are working hard to find a best way of treating addictions __________ drugs

下面两组虚词的含义和用法分析正确的一项是 ①穷且益坚 ②若属皆且为所虏 ③请息交以绝游 ④生物之以息相吹也