Neither English nor Chinese ________ difficult to learn.
C
neither…nor…是固定搭配，意思是：既不……也不……。它需要遵循就近原则，谓语动词应与Chinese一致，所以答案是C。
______innsandtaverns,inparticular,gainedareputationforcleanlinessandcomfortandsetthestandardforaccommodationinotherpartsofEurope.
The Western Council for Travel Research in _______ employed the term visitor.
______ is recognized as the national flag-carrier.
______thenewplancanbecarriedoutwillbediscussedatthemeetingtomorrow.