Question

-Do you know         ?
-Two weeks ago.

A．when did John join the club	B．how often does Jolm drink milk
C．when John arrived in China	D．how soon will John come back

Answer 1

C

试题分析：句意：---你知道John什么时候参加俱乐部？---两个星期前。宾语从句采用陈述语气。答句是回答时间，因此应用when问。根据题意，故选C。