I'm very sorry ______ the whole morning. I forgot the appointment.
A. to keep you wait
B. to have kept you waiting
C. to keep you waiting
D. to keep you to wait
I ______ everything by the time you get back next month.
A. shall finish
B. will be finishing
C. have finished
D. shall have finished
I'm very ______ to you for your help.
A. grateful
B. agreeable
C. pleased
D. satisfied
下列药物应用时需要修治去心的是( )
A. 沙参
B. 远志
C. 山茱萸
D. 诃子
E. 金樱子