Question

You should understand the traffic rule by now. You’ve had it ________ often enough. A．explai.

You should understand the traffic rule by now. You’ve had it ________ often enough. A．explaining B．to explain C．explain D．explained

Answer 1

D

试题分析：考查宾语补足语。本句的it指代the traffic rule，与explain构成被动关系，故使用过去分词的形式。句意：到现在为止你应该能理解交通规则，我已经和你解释足够多次了。故D正确。 点评：考查宾语补足语也要注意动词与宾语的关系，如果二者构成主动关系就使用现在分词，如果构成被动关系就使用过去分词。