Question

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

A．in case

B．as if

C．while

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。