— Could you tell me _________ ? — Sorry, I don’t know.A. where are my socksB. where can I find my socksC. where my socks are
Which book is ______ to understand, this one or that one?
I phoned Sarah last night, ______ there was no answer.
I always go skiing with my friends ______ winter.
The students are talking about ______ holiday plans happily.
Nobody knows ______ yesterday.