问题
选择题
________with fright, a hungry fox hid himself in a small cave, ________his tail to the rain.
A．Trembling; exposing
B．Trembled; exposed
C．Trembled; exposing
D．Trembling; exposed
答案
答案：A
考查非谓语动词。tremble“颤抖”，与逻辑主语a hungry fox是主谓关系，应该用主动形式，排除B、C；expose“暴露”，与逻辑主语a hungry fox也是主谓关系。故选A。