问题
选择题
Mr Zhang encourages the poor students ______ study.
A．not giving up
B．to not give up
C．not to giving up
D．not to give up
答案
答案：D
题目分析：句意：张先生鼓励这些贫困的学生不要放弃学习。考查短语：encourage sb. not to do sth. 鼓励某人不要放弃做某事。 故选D