单选题
To ensure that its customers' complaints are processed______, Haula Shipping upgraded its Web site to include an online feedback form.
A、
directly
B、
directed
C、
directing
D、
directness
【正确答案】
A
【答案解析】
解析：这里应填入可修饰谓语动词are processed的词，故选副词(A)directly(立即地)。过去分词或动词(B)、现在分词或动名词(C)、名词(D)都不能修饰动词。
提交答案
关闭