Question

Although many great people ever failed, they never_______ and managed to succeed.

A．set out

B．stayed up

C．kept on

D．gave up

Answer 1

D

A. set out 出发     B. stayed up 熬夜    C. kept on 坚持     D. gave up放弃，
Although many great people ever failed, (虽然很多伟人曾经失败过)，但是他们都从没有 _______ 和最后都成功了。因此，选D。