_____ the twins look the same, _____ in some ways they are different.

24The reason ______ he is absent from class is _______ he has caught a bad cold

116.–I hope that you can remove thedifference between you and Susan and become good friends.– _________. If only Susan had the sameidea.

How long has Robert ___________ —Since 2004.

Its population is almost ________ of the world’s population.