Question

The diplomat, who had much _________ at dealing _______ troublesome affairs, was shot to death by a terrorist.

1. A.
   experiment; with
2. B.
   experience; with
3. C.
   experience; for
4. D.
   experienced; for

Answer 1

B
由空格前的mach可知前一空的词应为不可数名词，后一空与动词deal搭配，应用with。