问题
选择题
________ your spirits. Try again and you’ll succeed.
A．Catch up
B．Catch on
C．Keep up
D．Keep on
答案
答案：C
搜题请搜索小程序“爱下问搜题”
________ your spirits. Try again and you’ll succeed.
A．Catch up
B．Catch on
C．Keep up
D．Keep on
答案：C