问题
选择题
I my resolutions and I make sure I will keep them.
A．am sure, try my best
B．sure about, try my best to
C．am sure about, try my best
D．am sure about, try my best to
答案
答案：D
题目分析：be sure肯定，确信；be sure about确信某事，对……有把握；try one’s best to do sth尽力做某事。句意：我相信自己的决定，并且相信我能尽力实现它们。结合语境可知选D。