42. Which ability is most important for dogs to rescue people trapped in snow?
A、Sharp hearing.
B、Swift movement.
C、Extraordinary smelling.
D、A strong memory.
33.
A、anywhere
B、everywhere
C、somewhere
D、nowhere
Ⅱ. Vocabulary and Structure ( 15 points ) Directions : There are 15 incomplete sentences in this section. For each sentence there are four choices marked A, B, C and D. Choose one answer that best completes the sentence and blacken the corresponding letter on the Answer Sheet. 6. Jonathan and Joe left the house to go for__ after supper.