They speak perfect English. How long have theylearnt it?— ______ they were seven years old.A．Since

Tom, your hair is too long. Would youplease get your hair _______.

This is one of the oldest trees in theworld._____ such a big tree.

On Sundays, there were lots of children in the park, ________parents sitting together joking

He’s got himself into a dangerous situation _________ he is likely to lose control over the plane.