问题
选择题
When the fire started, Tom was to help all the children out. He is both brave and smart.
A．too calm
B．calm enough
C．too nervous
D．nervous enough
答案
答案：B
题目分析：句意：当火起时，汤姆足够平静，帮助所有的孩子出去。他既勇敢又聪明。A. too calm太平静， B. calm enough足够平静，C. too nervous 太紧张，D. nervous enough足够紧张。据to help all the children out.可知Tom足够平静，故选B。