Shelly has been preparing carefully for the driving test so that she can be sure of passin

问题补充：

Shelly has been preparing carefully for the driving test so that she can be sure of passing it at her first.

A. intention

B. purpose

C. attempt

D. desire

答案：

A. intention

B. purpose

(答案→)C. attempt

D. desire

解析：

句意为：雪莉一直在认真准备驾驶考试，以便于她第一次尝试就能通过。at one’s first attempt某人第一次尝试，符合题意。