Ihad such a wonderful time ______I visited my friends in London last summer.A when B that Cwhich D as when .请解释一下为什么不能选t
问题描述：
Ihad such a wonderful time ______I visited my friends in London last summer.A when B that Cwhich D as when .请解释一下为什么不能选that
答
when连接时间状语从句,译为“当……时候”.如果用that连接定语从句,that要修饰的词在定语从句中要充当成分,可是从题目中看出,之后的从句是完整的,不缺少时间成分.所以,本题只能选when.