Many famous writers are reported ______ long before they started reading themselves.
He was hiding behind the door _________ he could see what was happening.A. which B. from where C from which D. where
Recently I bought an ancient Chinese vase, _____ was very reasonable.
_____ has already been pointed out, grammar is not a set of dead rules.
He lived in London for 3 months, during ____ time he learned some English.
Helen was much kinder to her youngest son than to the others , ____ , of course , made the others envy him .