问题
选择题
Everyone has periods in their lives_______everything seems very hard.
A．when
B．where
C．which
D．that
答案
A
考查定语从句。when引导的是定语从句，修饰先行词periods。
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Everyone has periods in their lives_______everything seems very hard.
A．when
B．where
C．which
D．that
A
考查定语从句。when引导的是定语从句，修饰先行词periods。