A.+→
B.→+
C.+→
D.→+
答案:D
They were all pleased with _____ them. [ ]
A. what you said
B. what did you say
C. what you had told
D. what you had spoken
桔梗的功效是()
A.宣肺利咽
B.化痰利水
C.祛痰排脓
D.降气止呕
E.清热润喉