问题补充:
What he said didn’t mean to hurt Mary, but he felt it differently.
A. he could express
B. he could have expressed
C. he would express
D. he must have expressed
答案:
A. he could express
(答案→)B. he could have expressed
C. he would express
D. he must have expressed
解析:句意:他并不是有意伤害Mary, 但是他感到他本能够用不同的方式表达。could express能够表达;would express要表达;could have expressed 本来能够表达;must have expressed (表推测)肯定已经表达。