13.A. small B. empty C. new D. neat
12.A. in fact B. by chance C. once more D. then again
11.A. Search B. Find C. Enter D. Book
10.A. fresh B. late C. bad D. unfair
9.A. with difficulty B. in a hurry C. with firm steps D. in wonder
8.A. best B. beginning C. end D. rest
7.A. after B. without C. while D. besides
6.A. lead B. help C. encourage D. get
5.A. go ahead B. look out C. hold on D. give up
4.A. suffering B. difficulty C. trouble D. danger