---When did Mr Green arrive in London?---He arrived there the evening of December 6th.
— What kind of movies do you like? — I like the movies ____ are about Chinese history.
We should never ____till tomorrow what we can do today.
David doesn’t give up _______ he has failed in the experiment four times.
Sally used to be ______, but now she enjoys meeting and talking to new friends.
— I could look after ____ when I was five.— Really? I can’t believe it.