Question

Adam behaved _______ he had never heard such a thing before.

1. A.
   in case
2. B.
   as if
3. C.
   while
4. D.
   though

Answer 1

B
试题分析：考查连词：A. in case以防，B. as if如果，C. while虽然，当…时候，然而，D. though虽然，句意：Adam表现的象从来没有发生过这样的事情。选B。
考点：考查连词