I heard Jeremy Lin was badly hurt during thebasketball match.—!

Why not_______ John a toy car for his birthday?—-Good idea! He is crazy about cars.

Some teachers often give their students too much work to do, ________that they will thus improve their school grades.[ ]

How are you _______ with your study at present— very well.

I was telling about my exciting travelswhen he _________ with a story of his own.