、Not until I handed in the paper did I find        easier to solve the problem that way.

There is only one dress of this kind left here. I wonder if you still want to buy        .

.--- I think this accident happened for many reasons. --- Richard is partly to blame, __________way you look at it.

I think Mrs. Stark could be _______ between 50 and 60 years of age.

(2013·昆明一中二次双基测试) —Baby, you should learn to share with others. Give ________ half of the apple to the little boy looking at you.—I will, Mum.