Suspecting the traveler of carrying drugs, the Customs official stopped him and ______  suitcase, but found nothing at all.

    A. looked up  B. went through   C. searched for  D.  referred to

Suspecting the traveler of carrying drugs, the Customs official stopped him and ______  suitcase, but found nothing at all.

    A. looked up  B. went through   C. searched for  D.  referred to

Suspecting the traveler of carrying drugs, the Customs official stopped him and ______ suitcase, but found nothing at all.

A. looked up B. went through　 C. searched for D. referred to

Suspecting the traveler of carrying drugs, the Customs official stopped him and ______ suitcase, but found nothing at all.

　 A. looked up B. went through　 C. searched for D. referred to

Suspecting the traveler of carrying drugs, the Customs official stopped him and ________ suitcase, but found nothing at all．

1. A.
   looked up
2. B.
   went through
3. C.
   searched for
4. D.
   referred to