---Which is your favourite drink, juice, water or milk?--- Thanks, but I’m sorry I like ________ of them. I like coffee most.

This design is ________ satisfactory.So you’ll have to try your best to better it.

 I have bought a good book, ______ that will surely interest         of the students．

---- Susan, go and join your sister cleaning the yard.  ---- Why ____? John is sitting there doing nothing.

One of the students hasn’t prepared _____ lessons very well.