Question

There was a big hole in the road which ________ the traffic．

1. A.
   set back
2. B.
   held up
3. C.
   stood back
4. D.
   dept down

Answer 1

B
句意：道路上的大洞阻碍了交通。set back和hold up都有“阻碍，使受挫折”的意思；但help up与the traffic搭配更为常见，所以B项正确。stand back“退后，靠后站”；keep down有“卧下，镇压，缩减”的意思，这两项不合题意。