【单选题】He won't mind the change of the plan-he's a very ________ person. [ ]
【单选题】用纯溶剂S对B混合液进行单级萃取,F、XF不变,加大萃取剂用量,通常所得萃取液的组成yA将()。
【单选题】Although he refused to act on my suggestion, he had to admit that ______ what I said.
B.
there was something in
C.
it was something as for
D.
there was something upon