— Why hasn’t Mr. Li come to work yet? 

—Because he _______Guangzhou for a holiday.

A．goes to

B．has gone to

C．was going to

D．will go to

排尿困难，不含（）。

A.排尿费力

B.排尿疼痛

C.射程变短

D.尿线变细

E.排尿等待时间长