__ _______ matters to do the job well---what you are or where you come from?__ Neither.It depends on whether you put your heart into it.
He is an hour late by now.He last night.
I don’t know how they ____the first couple of weeks after the strong earthquake.
I lost my way. I wonder ________ I can turn in the dark.
The professor kept telling us that the future _____ to the well-educated and I kept wondering where I _____ of it.
The genetic engineering, ______ progress has been very rapid recently, is perhaps the most important of all the sciences.