11.____ is well known to all, Hong Kong is often ________ “the Pearl in the East”.
A.As; known for B.As ; referred to as
C.Which; referring to D.Which; knowing as
12.I had great difficulty_____ the suitable food on the menu in that restaurant.
A. find B. found C. to find D. finding
13.It makes no ________ to me whether he goes to the city or not. Anyhow, I will go.
A.thing B.difference C.matter D.affair